1051612641 has 6 divisors (see below), whose sum is σ = 1518996050. Its totient is φ = 701075088.

The previous prime is 1051612633. The next prime is 1051612651. The reversal of 1051612641 is 1462161501.

1051612641 is a `hidden beast` number, since 1 + 0 + 5 + 1 + 6 + 12 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 966899025 + 84713616 = 31095^2 + 9204^2 .

It is not a de Polignac number, because 1051612641 - 2³ = 1051612633 is a prime.

It is a super-2 number, since 2×1051612641² = 2211778293421989762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051612621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58422916 + ... + 58422933.

Almost surely, 2^1051612641 is an apocalyptic number.

It is an amenable number.

1051612641 is a deficient number, since it is larger than the sum of its proper divisors (467383409).

1051612641 is a wasteful number, since it uses less digits than its factorization.

1051612641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116845855 (or 116845852 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1051612641 is about 32428.5775358710. The cubic root of 1051612641 is about 1016.9164342831.

The spelling of 1051612641 in words is "one billion, fifty-one million, six hundred twelve thousand, six hundred forty-one".