57800121 has 8 divisors (see below), whose sum is σ = 77995680. Its totient is φ = 38068992.

The previous prime is 57800101. The next prime is 57800131. The reversal of 57800121 is 12100875.

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

It is not a de Polignac number, because 57800121 - 2⁷ = 57799993 is a prime.

It is a super-2 number, since 2×57800121² = 6681707975229282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57800091 and 57800100.

It is not an unprimeable number, because it can be changed into a prime (57800101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115816 + ... + 116313.

It is an arithmetic number, because the mean of its divisors is an integer number (9749460).

Almost surely, 2^57800121 is an apocalyptic number.

It is an amenable number.

57800121 is a deficient number, since it is larger than the sum of its proper divisors (20195559).

57800121 is a wasteful number, since it uses less digits than its factorization.

57800121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232215.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 57800121 is about 7602.6390812665. The cubic root of 57800121 is about 386.6424931215.

Adding to 57800121 its reverse (12100875), we get a palindrome (69900996).

The spelling of 57800121 in words is "fifty-seven million, eight hundred thousand, one hundred twenty-one".