122590247 has 8 divisors (see below), whose sum is σ = 139786416. Its totient is φ = 106503552.

The previous prime is 122590231. The next prime is 122590267. The reversal of 122590247 is 742095221.

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

It is a cyclic number.

It is not a de Polignac number, because 122590247 - 2⁴ = 122590231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122590217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277133 + ... + 277574.

It is an arithmetic number, because the mean of its divisors is an integer number (17473302).

Almost surely, 2^122590247 is an apocalyptic number.

122590247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

122590247 is a deficient number, since it is larger than the sum of its proper divisors (17196169).

122590247 is a wasteful number, since it uses less digits than its factorization.

122590247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554737.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 122590247 is about 11072.0480038699. The cubic root of 122590247 is about 496.7661252005.

The spelling of 122590247 in words is "one hundred twenty-two million, five hundred ninety thousand, two hundred forty-seven".