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1012344121 = 19140912959
BaseRepresentation
bin111100010101110…
…010010100111001
32121112220102001201
4330111302110321
54033130002441
6244242014201
734041532405
oct7425622471
92545812051
101012344121
1147a495138
12243047361
1313196c9b9
1498642105
155dd1dc31
hex3c572539

1012344121 has 8 divisors (see below), whose sum is σ = 1020211200. Its totient is φ = 1004504160.

The previous prime is 1012344107. The next prime is 1012344131. The reversal of 1012344121 is 1214432101.

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 1012344121 - 225 = 978789689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012344131) 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, 71640 + ... + 84598.

It is an arithmetic number, because the mean of its divisors is an integer number (127526400).

Almost surely, 21012344121 is an apocalyptic number.

It is an amenable number.

1012344121 is a deficient number, since it is larger than the sum of its proper divisors (7867079).

1012344121 is a wasteful number, since it uses less digits than its factorization.

1012344121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13559.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1012344121 is about 31817.3556569367. The cubic root of 1012344121 is about 1004.0978913483.

Adding to 1012344121 its reverse (1214432101), we get a palindrome (2226776222).

The spelling of 1012344121 in words is "one billion, twelve million, three hundred forty-four thousand, one hundred twenty-one".

Divisors: 1 191 409 12959 78119 2475169 5300231 1012344121