122150405 has 16 divisors (see below), whose sum is σ = 158505984. Its totient is φ = 89832000.

The previous prime is 122150383. The next prime is 122150429. The reversal of 122150405 is 504051221.

It is a de Polignac number, because none of the positive numbers 2^k-122150405 is a prime.

It is a super-3 number, since 3×122150405³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12572 + ... + 20058.

It is an arithmetic number, because the mean of its divisors is an integer number (9906624).

Almost surely, 2^122150405 is an apocalyptic number.

It is an amenable number.

122150405 is a deficient number, since it is larger than the sum of its proper divisors (36355579).

122150405 is a wasteful number, since it uses less digits than its factorization.

122150405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7756.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 122150405 is about 11052.1674344899. The cubic root of 122150405 is about 496.1712968982.

The spelling of 122150405 in words is "one hundred twenty-two million, one hundred fifty thousand, four hundred five".