1161032457 has 8 divisors (see below), whose sum is σ = 1667123584. Its totient is φ = 714481488.

The previous prime is 1161032443. The next prime is 1161032461. The reversal of 1161032457 is 7542301611.

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

It is not a de Polignac number, because 1161032457 - 2¹⁸ = 1160770313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161032407) 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, 14884993 + ... + 14885070.

It is an arithmetic number, because the mean of its divisors is an integer number (208390448).

Almost surely, 2^1161032457 is an apocalyptic number.

It is an amenable number.

1161032457 is a deficient number, since it is larger than the sum of its proper divisors (506091127).

1161032457 is a wasteful number, since it uses less digits than its factorization.

1161032457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29770079.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1161032457 is about 34073.9263513907. The cubic root of 1161032457 is about 1051.0292121497.

The spelling of 1161032457 in words is "one billion, one hundred sixty-one million, thirty-two thousand, four hundred fifty-seven".