120022251 has 8 divisors (see below), whose sum is σ = 162055680. Its totient is φ = 79001832.

The previous prime is 120022247. The next prime is 120022283. The reversal of 120022251 is 152220021.

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

It is not a de Polignac number, because 120022251 - 2² = 120022247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120022251.

It is not an unprimeable number, because it can be changed into a prime (120022291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252975 + ... + 253448.

It is an arithmetic number, because the mean of its divisors is an integer number (20256960).

Almost surely, 2^120022251 is an apocalyptic number.

120022251 is a deficient number, since it is larger than the sum of its proper divisors (42033429).

120022251 is an equidigital number, since it uses as much as digits as its factorization.

120022251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506505.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 120022251 is about 10955.4667175799. The cubic root of 120022251 is about 493.2728994736.

Adding to 120022251 its reverse (152220021), we get a palindrome (272242272).

The spelling of 120022251 in words is "one hundred twenty million, twenty-two thousand, two hundred fifty-one".