101255051 has 4 divisors (see below), whose sum is σ = 103991712. Its totient is φ = 98518392.

The previous prime is 101255041. The next prime is 101255053. The reversal of 101255051 is 150552101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150552101 = 7 ⋅21507443.

It is a cyclic number.

It is not a de Polignac number, because 101255051 - 2¹⁸ = 100992907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101255053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368275 + ... + 1368348.

It is an arithmetic number, because the mean of its divisors is an integer number (25997928).

Almost surely, 2^101255051 is an apocalyptic number.

101255051 is a deficient number, since it is larger than the sum of its proper divisors (2736661).

101255051 is an equidigital number, since it uses as much as digits as its factorization.

101255051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736660.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 101255051 is about 10062.5568818268. The cubic root of 101255051 is about 466.0926261995.

The spelling of 101255051 in words is "one hundred one million, two hundred fifty-five thousand, fifty-one".