124140890 has 16 divisors (see below), whose sum is σ = 233169408. Its totient is φ = 47497296.

The previous prime is 124140857. The next prime is 124140899. The reversal of 124140890 is 98041421.

It is not an unprimeable number, because it can be changed into a prime (124140899) 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, 269642 + ... + 270101.

It is an arithmetic number, because the mean of its divisors is an integer number (14573088).

Almost surely, 2^124140890 is an apocalyptic number.

124140890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

124140890 is a deficient number, since it is larger than the sum of its proper divisors (109028518).

124140890 is a wasteful number, since it uses less digits than its factorization.

124140890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539773.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 124140890 is about 11141.8530774732. The cubic root of 124140890 is about 498.8518856849.

The spelling of 124140890 in words is "one hundred twenty-four million, one hundred forty thousand, eight hundred ninety".