1055251066 has 8 divisors (see below), whose sum is σ = 1585621620. Its totient is φ = 526710528.

The previous prime is 1055251009. The next prime is 1055251073. The reversal of 1055251066 is 6601525501.

It can be written as a sum of positive squares in 2 ways, for example, as 830880625 + 224370441 = 28825^2 + 14979^2 .

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

It is a super-2 number, since 2×1055251066² = 2227109624588272712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456061 + ... + 458368.

Almost surely, 2^1055251066 is an apocalyptic number.

1055251066 is a deficient number, since it is larger than the sum of its proper divisors (530370554).

1055251066 is an equidigital number, since it uses as much as digits as its factorization.

1055251066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915008.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1055251066 is about 32484.6281493263. The cubic root of 1055251066 is about 1018.0878780557.

Adding to 1055251066 its reverse (6601525501), we get a palindrome (7656776567).

The spelling of 1055251066 in words is "one billion, fifty-five million, two hundred fifty-one thousand, sixty-six".