1061046557 has 8 divisors (see below), whose sum is σ = 1107691200. Its totient is φ = 1014444640.

The previous prime is 1061046491. The next prime is 1061046587. The reversal of 1061046557 is 7556401601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061046557 is a prime.

It is a super-2 number, since 2×1061046557² = 2251639592243108498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061046587) 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, 46694 + ... + 65592.

It is an arithmetic number, because the mean of its divisors is an integer number (138461400).

Almost surely, 2^1061046557 is an apocalyptic number.

It is an amenable number.

1061046557 is a deficient number, since it is larger than the sum of its proper divisors (46644643).

1061046557 is a wasteful number, since it uses less digits than its factorization.

1061046557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21363.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1061046557 is about 32573.7095983862. The cubic root of 1061046557 is about 1019.9482727196.

The spelling of 1061046557 in words is "one billion, sixty-one million, forty-six thousand, five hundred fifty-seven".