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1120245631 = 21146311467
BaseRepresentation
bin100001011000101…
…1001011101111111
32220001221101002221
41002301121131333
54243240330011
6303054430211
736521634151
oct10261313577
92801841087
101120245631
1152539313a
12273202367
1314b11bb4b
14a8accad1
1568534971
hex42c5977f

1120245631 has 8 divisors (see below), whose sum is σ = 1128084224. Its totient is φ = 1112431320.

The previous prime is 1120245601. The next prime is 1120245653. The reversal of 1120245631 is 1365420211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120245631 - 229 = 583374719 is a prime.

It is a super-2 number, since 2×11202456312 = 2509900547549176322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120245596 and 1120245605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120245601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91960 + ... + 103426.

It is an arithmetic number, because the mean of its divisors is an integer number (141010528).

Almost surely, 21120245631 is an apocalyptic number.

1120245631 is a deficient number, since it is larger than the sum of its proper divisors (7838593).

1120245631 is a wasteful number, since it uses less digits than its factorization.

1120245631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12141.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1120245631 is about 33470.0706751569. The cubic root of 1120245631 is about 1038.5747337208.

Adding to 1120245631 its reverse (1365420211), we get a palindrome (2485665842).

The spelling of 1120245631 in words is "one billion, one hundred twenty million, two hundred forty-five thousand, six hundred thirty-one".

Divisors: 1 211 463 11467 97693 2419537 5309221 1120245631