124487985 has 16 divisors (see below), whose sum is σ = 199763136. Its totient is φ = 66199488.

The previous prime is 124487959. The next prime is 124488011. The reversal of 124487985 is 589784421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (124487959) and next prime (124488011).

It is not a de Polignac number, because 124487985 - 2⁸ = 124487729 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6754 + ... + 17163.

It is an arithmetic number, because the mean of its divisors is an integer number (12485196).

Almost surely, 2^124487985 is an apocalyptic number.

124487985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124487985 is a deficient number, since it is larger than the sum of its proper divisors (75275151).

124487985 is a wasteful number, since it uses less digits than its factorization.

124487985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24272.

The product of its digits is 645120, while the sum is 48.

The square root of 124487985 is about 11157.4183841962. The cubic root of 124487985 is about 499.3163790842.

The spelling of 124487985 in words is "one hundred twenty-four million, four hundred eighty-seven thousand, nine hundred eighty-five".