101975057 has 4 divisors (see below), whose sum is σ = 102343476. Its totient is φ = 101606640.

The previous prime is 101975011. The next prime is 101975131. The reversal of 101975057 is 750579101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64899136 + 37075921 = 8056^2 + 6089^2 .

It is a cyclic number.

It is not a de Polignac number, because 101975057 - 2¹² = 101970961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101975257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183794 + ... + 184347.

It is an arithmetic number, because the mean of its divisors is an integer number (25585869).

Almost surely, 2^101975057 is an apocalyptic number.

It is an amenable number.

101975057 is a deficient number, since it is larger than the sum of its proper divisors (368419).

101975057 is an equidigital number, since it uses as much as digits as its factorization.

101975057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368418.

The product of its (nonzero) digits is 11025, while the sum is 35.

The square root of 101975057 is about 10098.2700003515. The cubic root of 101975057 is about 467.1947841439.

The spelling of 101975057 in words is "one hundred one million, nine hundred seventy-five thousand, fifty-seven".