124081287 has 8 divisors (see below), whose sum is σ = 180481920. Its totient is φ = 75200760.

The previous prime is 124081247. The next prime is 124081303. The reversal of 124081287 is 782180421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124081287 - 2⁸ = 124081031 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3760039 = 124081287 / (1 + 2 + 4 + 0 + 8 + 1 + 2 + 8 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124081207) 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, 1879987 + ... + 1880052.

It is an arithmetic number, because the mean of its divisors is an integer number (22560240).

Almost surely, 2^124081287 is an apocalyptic number.

124081287 is a deficient number, since it is larger than the sum of its proper divisors (56400633).

124081287 is a wasteful number, since it uses less digits than its factorization.

124081287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760053.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 124081287 is about 11139.1780217393. The cubic root of 124081287 is about 498.7720360111.

It can be divided in two parts, 12408 and 1287, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 124081287 in words is "one hundred twenty-four million, eighty-one thousand, two hundred eighty-seven".