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1141631 is a prime number
BaseRepresentation
bin100010110101101111111
32011000000122
410112231333
5243013011
640245155
712463241
oct4265577
92130018
101141631
1170a7a7
124707bb
1330c82a
1421a091
151783db
hex116b7f

1141631 has 2 divisors, whose sum is σ = 1141632. Its totient is φ = 1141630.

The previous prime is 1141597. The next prime is 1141633. The reversal of 1141631 is 1361411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1141631 is a prime.

It is a super-2 number, since 2×11416312 = 2606642680322, which contains 22 as substring.

Together with 1141633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570815 + 570816.

It is an arithmetic number, because the mean of its divisors is an integer number (570816).

21141631 is an apocalyptic number.

1141631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141631 is an equidigital number, since it uses as much as digits as its factorization.

1141631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 17.

The square root of 1141631 is about 1068.4713379403. The cubic root of 1141631 is about 104.5141880723.

The spelling of 1141631 in words is "one million, one hundred forty-one thousand, six hundred thirty-one".