101206057 has 4 divisors (see below), whose sum is σ = 102152016. Its totient is φ = 100260100.

The previous prime is 101206037. The next prime is 101206069. The reversal of 101206057 is 750602101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101206057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101206037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472819 + ... + 473032.

It is an arithmetic number, because the mean of its divisors is an integer number (25538004).

Almost surely, 2^101206057 is an apocalyptic number.

It is an amenable number.

101206057 is a deficient number, since it is larger than the sum of its proper divisors (945959).

101206057 is an equidigital number, since it uses as much as digits as its factorization.

101206057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945958.

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

The square root of 101206057 is about 10060.1221165550. The cubic root of 101206057 is about 466.0174384235.

Adding to 101206057 its reverse (750602101), we get a palindrome (851808158).

The spelling of 101206057 in words is "one hundred one million, two hundred six thousand, fifty-seven".