1051061604 has 24 divisors (see below), whose sum is σ = 2453021760. Its totient is φ = 350276064.

The previous prime is 1051061597. The next prime is 1051061633. The reversal of 1051061604 is 4061601501.

It is a super-2 number, since 2×1051061604² = 2209460990806105632, which contains 22 as substring.

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, 78762 + ... + 91134.

It is an arithmetic number, because the mean of its divisors is an integer number (102209240).

Almost surely, 2^1051061604 is an apocalyptic number.

It is an amenable number.

1051061604 is an abundant number, since it is smaller than the sum of its proper divisors (1401960156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051061604 is a wasteful number, since it uses less digits than its factorization.

1051061604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19459 (or 19457 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1051061604 is about 32420.0802590000. The cubic root of 1051061604 is about 1016.7387844330.

The spelling of 1051061604 in words is "one billion, fifty-one million, sixty-one thousand, six hundred four".