123941040 has 40 divisors (see below), whose sum is σ = 384217968. Its totient is φ = 33050880.

The previous prime is 123941029. The next prime is 123941053. The reversal of 123941040 is 40149321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×123941040² = 30722762792563200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 123941040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257971 + ... + 258450.

Almost surely, 2^123941040 is an apocalyptic number.

123941040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123941040 is an abundant number, since it is smaller than the sum of its proper divisors (260276928).

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

123941040 is a wasteful number, since it uses less digits than its factorization.

123941040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516437 (or 516431 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 123941040 is about 11132.8810287365. The cubic root of 123941040 is about 498.5840472743.

The spelling of 123941040 in words is "one hundred twenty-three million, nine hundred forty-one thousand, forty".