123126764 has 24 divisors (see below), whose sum is σ = 229929840. Its totient is φ = 57521664.

The previous prime is 123126763. The next prime is 123126781. The reversal of 123126764 is 467621321.

It is a super-2 number, since 2×123126764² = 30320400026223392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123126764.

It is not an unprimeable number, because it can be changed into a prime (123126763) 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, 5549 + ... + 16644.

It is an arithmetic number, because the mean of its divisors is an integer number (9580410).

Almost surely, 2^123126764 is an apocalyptic number.

It is an amenable number.

123126764 is a deficient number, since it is larger than the sum of its proper divisors (106803076).

123126764 is a wasteful number, since it uses less digits than its factorization.

123126764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22289 (or 22287 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 123126764 is about 11096.2499971837. The cubic root of 123126764 is about 497.4897705867.

The spelling of 123126764 in words is "one hundred twenty-three million, one hundred twenty-six thousand, seven hundred sixty-four".