90910124 has 12 divisors (see below), whose sum is σ = 160046544. Its totient is φ = 45182544.

The previous prime is 90910121. The next prime is 90910129. The reversal of 90910124 is 42101909.

It is a junction number, because it is equal to n+sod(n) for n = 90910093 and 90910102.

It is not an unprimeable number, because it can be changed into a prime (90910121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67379 + ... + 68714.

It is an arithmetic number, because the mean of its divisors is an integer number (13337212).

Almost surely, 2^90910124 is an apocalyptic number.

It is an amenable number.

90910124 is a deficient number, since it is larger than the sum of its proper divisors (69136420).

90910124 is a wasteful number, since it uses less digits than its factorization.

90910124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136264 (or 136262 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 90910124 is about 9534.6800680463. The cubic root of 90910124 is about 449.6460162688.

The spelling of 90910124 in words is "ninety million, nine hundred ten thousand, one hundred twenty-four".