1047169628 has 24 divisors (see below), whose sum is σ = 1860584544. Its totient is φ = 515592000.

The previous prime is 1047169609. The next prime is 1047169633. The reversal of 1047169628 is 8269617401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315578 + ... + 318878.

It is an arithmetic number, because the mean of its divisors is an integer number (77524356).

Almost surely, 2^1047169628 is an apocalyptic number.

It is an amenable number.

1047169628 is a deficient number, since it is larger than the sum of its proper divisors (813414916).

1047169628 is a wasteful number, since it uses less digits than its factorization.

1047169628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493 (or 4491 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1047169628 is about 32360.0004326329. Note that the first 3 decimals coincide. The cubic root of 1047169628 is about 1015.4822715633.

The spelling of 1047169628 in words is "one billion, forty-seven million, one hundred sixty-nine thousand, six hundred twenty-eight".