123987486 has 32 divisors (see below), whose sum is σ = 286161408. Its totient is φ = 35079840.

The previous prime is 123987473. The next prime is 123987509. The reversal of 123987486 is 684789321.

It is a congruent 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, 10005 + ... + 18656.

It is an arithmetic number, because the mean of its divisors is an integer number (8942544).

Almost surely, 2^123987486 is an apocalyptic number.

123987486 is an abundant number, since it is smaller than the sum of its proper divisors (162173922).

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

123987486 is a wasteful number, since it uses less digits than its factorization.

123987486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28776.

The product of its digits is 580608, while the sum is 48.

The square root of 123987486 is about 11134.9668162954. The cubic root of 123987486 is about 498.6463197402.

The spelling of 123987486 in words is "one hundred twenty-three million, nine hundred eighty-seven thousand, four hundred eighty-six".