122451413 has 4 divisors (see below), whose sum is σ = 139944480. Its totient is φ = 104958348.

The previous prime is 122451383. The next prime is 122451431. The reversal of 122451413 is 314154221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 314154221 = 167 ⋅1881163.

It is a cyclic number.

It is not a de Polignac number, because 122451413 - 2¹⁰ = 122450389 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 (122451473) 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, 8746523 + ... + 8746536.

It is an arithmetic number, because the mean of its divisors is an integer number (34986120).

Almost surely, 2^122451413 is an apocalyptic number.

It is an amenable number.

122451413 is a deficient number, since it is larger than the sum of its proper divisors (17493067).

122451413 is an equidigital number, since it uses as much as digits as its factorization.

122451413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17493066.

The product of its digits is 960, while the sum is 23.

The square root of 122451413 is about 11065.7766559786. The cubic root of 122451413 is about 496.5785244143.

The spelling of 122451413 in words is "one hundred twenty-two million, four hundred fifty-one thousand, four hundred thirteen".