57121006 has 8 divisors (see below), whose sum is σ = 89406864. Its totient is φ = 27318720.

The previous prime is 57120989. The next prime is 57121021. The reversal of 57121006 is 60012175.

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

It is a super-3 number, since 3×57121006³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

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, 620835 + ... + 620926.

It is an arithmetic number, because the mean of its divisors is an integer number (11175858).

Almost surely, 2^57121006 is an apocalyptic number.

57121006 is a deficient number, since it is larger than the sum of its proper divisors (32285858).

57121006 is a wasteful number, since it uses less digits than its factorization.

57121006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241786.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 57121006 is about 7557.8440047410. The cubic root of 57121006 is about 385.1222549845.

The spelling of 57121006 in words is "fifty-seven million, one hundred twenty-one thousand, six".