1032770991 has 12 divisors (see below), whose sum is σ = 1601849112. Its totient is φ = 590154768.

The previous prime is 1032770989. The next prime is 1032771007. The reversal of 1032770991 is 1990772301.

It is not a de Polignac number, because 1032770991 - 2¹ = 1032770989 is a prime.

It is a super-2 number, since 2×1032770991² = 2133231839702244162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032770971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3512680 + ... + 3512973.

It is an arithmetic number, because the mean of its divisors is an integer number (133487426).

Almost surely, 2^1032770991 is an apocalyptic number.

1032770991 is a deficient number, since it is larger than the sum of its proper divisors (569078121).

1032770991 is an equidigital number, since it uses as much as digits as its factorization.

1032770991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025670 (or 7025663 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 1032770991 is about 32136.7545187749. The cubic root of 1032770991 is about 1010.8064633580.

It can be divided in two parts, 10327 and 70991, that added together give a palindrome (81318).

The spelling of 1032770991 in words is "one billion, thirty-two million, seven hundred seventy thousand, nine hundred ninety-one".