1047557401 has 8 divisors (see below), whose sum is σ = 1182196800. Its totient is φ = 919485840.

The previous prime is 1047557393. The next prime is 1047557411.

1047557401 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1047557401 - 2³ = 1047557393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1047557411) 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, 1641621 + ... + 1642258.

It is an arithmetic number, because the mean of its divisors is an integer number (147774600).

Almost surely, 2^1047557401 is an apocalyptic number.

1047557401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1047557401 is a deficient number, since it is larger than the sum of its proper divisors (134639399).

1047557401 is a wasteful number, since it uses less digits than its factorization.

1047557401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283919.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 1047557401 is about 32365.9914261868. The cubic root of 1047557401 is about 1015.6076024236.

It can be divided in two parts, 10475 and 57401, that added together give a palindrome (67876).

The spelling of 1047557401 in words is "one billion, forty-seven million, five hundred fifty-seven thousand, four hundred one".