1051051604 has 12 divisors (see below), whose sum is σ = 1839920628. Its totient is φ = 525360000.

The previous prime is 1051051601. The next prime is 1051051607. The reversal of 1051051604 is 4061501501.

It is an interprime number because it is at equal distance from previous prime (1051051601) and next prime (1051051607).

It can be written as a sum of positive squares in 2 ways, for example, as 58675600 + 992376004 = 7660^2 + 31502^2 .

It is a super-2 number, since 2×1051051604² = 2209418948541945632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051051604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051051601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26597 + ... + 53004.

It is an arithmetic number, because the mean of its divisors is an integer number (153326719).

Almost surely, 2^1051051604 is an apocalyptic number.

It is an amenable number.

1051051604 is a deficient number, since it is larger than the sum of its proper divisors (788869024).

1051051604 is a wasteful number, since it uses less digits than its factorization.

1051051604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82906 (or 82904 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1051051604 is about 32419.9260332284. The cubic root of 1051051604 is about 1016.7355599407.

The spelling of 1051051604 in words is "one billion, fifty-one million, fifty-one thousand, six hundred four".