122402665726 has 8 divisors (see below), whose sum is σ = 200295271224. Its totient is φ = 55637575320.

The previous prime is 122402665709. The next prime is 122402665751. The reversal of 122402665726 is 627566204221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2781878745 + ... + 2781878788.

It is an arithmetic number, because the mean of its divisors is an integer number (25036908903).

Almost surely, 2^122402665726 is an apocalyptic number.

122402665726 is a deficient number, since it is larger than the sum of its proper divisors (77892605498).

122402665726 is a wasteful number, since it uses less digits than its factorization.

122402665726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563757546.

The product of its (nonzero) digits is 483840, while the sum is 43.

Adding to 122402665726 its reverse (627566204221), we get a palindrome (749968869947).

The spelling of 122402665726 in words is "one hundred twenty-two billion, four hundred two million, six hundred sixty-five thousand, seven hundred twenty-six".