123750987 has 16 divisors (see below), whose sum is σ = 167707680. Its totient is φ = 81153792.

The previous prime is 123750961. The next prime is 123750989. The reversal of 123750987 is 789057321.

It is not a de Polignac number, because 123750987 - 2⁶ = 123750923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123750989) 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, 154873 + ... + 155669.

It is an arithmetic number, because the mean of its divisors is an integer number (10481730).

Almost surely, 2^123750987 is an apocalyptic number.

123750987 is a deficient number, since it is larger than the sum of its proper divisors (43956693).

123750987 is an equidigital number, since it uses as much as digits as its factorization.

123750987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 123750987 is about 11124.3420929060. The cubic root of 123750987 is about 498.3290715499.

The spelling of 123750987 in words is "one hundred twenty-three million, seven hundred fifty thousand, nine hundred eighty-seven".