123252250 has 32 divisors (see below), whose sum is σ = 251709120. Its totient is φ = 44818000.

The previous prime is 123252229. The next prime is 123252253. The reversal of 123252250 is 52252321.

It is a super-2 number, since 2×123252250² = 30382234260125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (123252253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19660 + ... + 25159.

It is an arithmetic number, because the mean of its divisors is an integer number (7865910).

Almost surely, 2^123252250 is an apocalyptic number.

123252250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123252250 is an abundant number, since it is smaller than the sum of its proper divisors (128456870).

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

123252250 is a wasteful number, since it uses less digits than its factorization.

123252250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44847 (or 44837 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 123252250 is about 11101.9029900283. The cubic root of 123252250 is about 497.6587206001.

The spelling of 123252250 in words is "one hundred twenty-three million, two hundred fifty-two thousand, two hundred fifty".