122340351 has 32 divisors (see below), whose sum is σ = 192439296. Its totient is φ = 67680000.

The previous prime is 122340343. The next prime is 122340367. The reversal of 122340351 is 153043221.

It is not a de Polignac number, because 122340351 - 2³ = 122340343 is a prime.

It is a super-2 number, since 2×122340351² = 29934322965606402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122340311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129541 + ... + 130481.

It is an arithmetic number, because the mean of its divisors is an integer number (6013728).

Almost surely, 2^122340351 is an apocalyptic number.

122340351 is a deficient number, since it is larger than the sum of its proper divisors (70098945).

122340351 is a wasteful number, since it uses less digits than its factorization.

122340351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 122340351 is about 11060.7572525573. The cubic root of 122340351 is about 496.4283486972.

Adding to 122340351 its reverse (153043221), we get a palindrome (275383572).

The spelling of 122340351 in words is "one hundred twenty-two million, three hundred forty thousand, three hundred fifty-one".