250120151 has 4 divisors (see below), whose sum is σ = 250250304. Its totient is φ = 249990000.

The previous prime is 250120139. The next prime is 250120181. The reversal of 250120151 is 151021052.

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

It is a cyclic number.

It is not a de Polignac number, because 250120151 - 2²² = 245925847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250120181) 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 3 ways as a sum of consecutive naturals, for example, 62150 + ... + 66051.

It is an arithmetic number, because the mean of its divisors is an integer number (62562576).

Almost surely, 2^250120151 is an apocalyptic number.

250120151 is a deficient number, since it is larger than the sum of its proper divisors (130153).

250120151 is a wasteful number, since it uses less digits than its factorization.

250120151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130152.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 250120151 is about 15815.1873526683. The cubic root of 250120151 is about 630.0614293002.

Subtracting from 250120151 its reverse (151021052), we obtain a palindrome (99099099).

The spelling of 250120151 in words is "two hundred fifty million, one hundred twenty thousand, one hundred fifty-one".