122406651 has 24 divisors (see below), whose sum is σ = 186030000. Its totient is φ = 77445312.

The previous prime is 122406649. The next prime is 122406653. The reversal of 122406651 is 156604221.

122406651 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 0 + 6 + 651 = 666.

It is an interprime number because it is at equal distance from previous prime (122406649) and next prime (122406653).

It is not a de Polignac number, because 122406651 - 2¹ = 122406649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122406653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11425 + ... + 19373.

It is an arithmetic number, because the mean of its divisors is an integer number (7751250).

Almost surely, 2^122406651 is an apocalyptic number.

122406651 is a deficient number, since it is larger than the sum of its proper divisors (63623349).

122406651 is a wasteful number, since it uses less digits than its factorization.

122406651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043 (or 8040 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 122406651 is about 11063.7539289339. The cubic root of 122406651 is about 496.5180091008.

The spelling of 122406651 in words is "one hundred twenty-two million, four hundred six thousand, six hundred fifty-one".