122925247 has 8 divisors (see below), whose sum is σ = 124375680. Its totient is φ = 121479960.

The previous prime is 122925233. The next prime is 122925251. The reversal of 122925247 is 742529221.

It is a happy number.

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 122925247 - 2⁷ = 122925119 is a prime.

It is a super-2 number, since 2×122925247² = 30221232700022018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122925217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66972 + ... + 68782.

It is an arithmetic number, because the mean of its divisors is an integer number (15546960).

Almost surely, 2^122925247 is an apocalyptic number.

122925247 is a deficient number, since it is larger than the sum of its proper divisors (1450433).

122925247 is a wasteful number, since it uses less digits than its factorization.

122925247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573.

The product of its digits is 20160, while the sum is 34.

The square root of 122925247 is about 11087.1658686970. The cubic root of 122925247 is about 497.2182147097.

The spelling of 122925247 in words is "one hundred twenty-two million, nine hundred twenty-five thousand, two hundred forty-seven".