122731248 has 40 divisors (see below), whose sum is σ = 327992400. Its totient is φ = 39499264.

The previous prime is 122731181. The next prime is 122731249. The reversal of 122731248 is 842137221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122731249) 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, 42693 + ... + 45476.

It is an arithmetic number, because the mean of its divisors is an integer number (8199810).

Almost surely, 2^122731248 is an apocalyptic number.

It is an amenable number.

122731248 is an abundant number, since it is smaller than the sum of its proper divisors (205261152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122731248 is a wasteful number, since it uses less digits than its factorization.

122731248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88209 (or 88203 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 122731248 is about 11078.4136048443. The cubic root of 122731248 is about 496.9565092499.

Adding to 122731248 its reverse (842137221), we get a palindrome (964868469).

The spelling of 122731248 in words is "one hundred twenty-two million, seven hundred thirty-one thousand, two hundred forty-eight".