1060257981 has 16 divisors (see below), whose sum is σ = 1435674240. Its totient is φ = 695869440.

The previous prime is 1060257959. The next prime is 1060257997. The reversal of 1060257981 is 1897520601.

It is not a de Polignac number, because 1060257981 - 2⁶ = 1060257917 is a prime.

It is a super-2 number, since 2×1060257981² = 2248293972548392722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1060257901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160561 + ... + 167033.

It is an arithmetic number, because the mean of its divisors is an integer number (89729640).

Almost surely, 2^1060257981 is an apocalyptic number.

It is an amenable number.

1060257981 is a deficient number, since it is larger than the sum of its proper divisors (375416259).

1060257981 is an equidigital number, since it uses as much as digits as its factorization.

1060257981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7316.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1060257981 is about 32561.6028628813. The cubic root of 1060257981 is about 1019.6955329250.

The spelling of 1060257981 in words is "one billion, sixty million, two hundred fifty-seven thousand, nine hundred eighty-one".