1057191127204 has 27 divisors (see below), whose sum is σ = 1896460314721. Its totient is φ = 515661860960.

The previous prime is 1057191127189. The next prime is 1057191127219. The reversal of 1057191127204 is 4027211917501.

The square root of 1057191127204 is 1028198.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (1057191127189) and next prime (1057191127219).

It can be written as a sum of positive squares in only one way, i.e., 50941392804 + 1006249734400 = 225702^2 + 1003120^2 .

It is a super-2 number, since 2×1057191127204² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 84305967 + ... + 84318505.

Almost surely, 2^{1057191127204} is an apocalyptic number.

1057191127204 is the 1028198-th square number.

It is an amenable number.

1057191127204 is a deficient number, since it is larger than the sum of its proper divisors (839269187517).

1057191127204 is an frugal number, since it uses more digits than its factorization.

1057191127204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25164 (or 12582 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 40.

The spelling of 1057191127204 in words is "one trillion, fifty-seven billion, one hundred ninety-one million, one hundred twenty-seven thousand, two hundred four".