122276406 has 64 divisors (see below), whose sum is σ = 287359488. Its totient is φ = 33965568.

The previous prime is 122276389. The next prime is 122276423. The reversal of 122276406 is 604672221.

It is an interprime number because it is at equal distance from previous prime (122276389) and next prime (122276423).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362670 + ... + 363006.

It is an arithmetic number, because the mean of its divisors is an integer number (4489992).

Almost surely, 2^122276406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122276406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143679744).

122276406 is an abundant number, since it is smaller than the sum of its proper divisors (165083082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122276406 is a wasteful number, since it uses less digits than its factorization.

122276406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 122276406 is about 11057.8662498694. The cubic root of 122276406 is about 496.3418423707.

The spelling of 122276406 in words is "one hundred twenty-two million, two hundred seventy-six thousand, four hundred six".