122547028 has 12 divisors (see below), whose sum is σ = 214633440. Its totient is φ = 61223192.

The previous prime is 122547023. The next prime is 122547041. The reversal of 122547028 is 820745221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122547023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6808 + ... + 17071.

It is an arithmetic number, because the mean of its divisors is an integer number (17886120).

Almost surely, 2^122547028 is an apocalyptic number.

It is an amenable number.

122547028 is a deficient number, since it is larger than the sum of its proper divisors (92086412).

122547028 is a wasteful number, since it uses less digits than its factorization.

122547028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25166 (or 25164 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 122547028 is about 11070.0961152106. The cubic root of 122547028 is about 496.7077402984.

The spelling of 122547028 in words is "one hundred twenty-two million, five hundred forty-seven thousand, twenty-eight".