122002451 has 4 divisors (see below), whose sum is σ = 122056032. Its totient is φ = 121948872.

The previous prime is 122002427. The next prime is 122002483. The reversal of 122002451 is 154200221.

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 122002451 - 2¹⁰ = 122001427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122002411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23216 + ... + 27981.

It is an arithmetic number, because the mean of its divisors is an integer number (30514008).

Almost surely, 2^122002451 is an apocalyptic number.

122002451 is a deficient number, since it is larger than the sum of its proper divisors (53581).

122002451 is an equidigital number, since it uses as much as digits as its factorization.

122002451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53580.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122002451 is about 11045.4719681868. The cubic root of 122002451 is about 495.9708877186.

Adding to 122002451 its reverse (154200221), we get a palindrome (276202672).

The spelling of 122002451 in words is "one hundred twenty-two million, two thousand, four hundred fifty-one".