122451460251 has 4 divisors (see below), whose sum is σ = 163268613672. Its totient is φ = 81634306832.

The previous prime is 122451460249. The next prime is 122451460277. The reversal of 122451460251 is 152064154221.

It is a happy number.

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 122451460251 - 2¹ = 122451460249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122451462251) 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, 20408576706 + ... + 20408576711.

It is an arithmetic number, because the mean of its divisors is an integer number (40817153418).

Almost surely, 2^122451460251 is an apocalyptic number.

122451460251 is a deficient number, since it is larger than the sum of its proper divisors (40817153421).

122451460251 is an equidigital number, since it uses as much as digits as its factorization.

122451460251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40817153420.

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 122451460251 in words is "one hundred twenty-two billion, four hundred fifty-one million, four hundred sixty thousand, two hundred fifty-one".