124896390 has 64 divisors (see below), whose sum is σ = 308192256. Its totient is φ = 32378112.

The previous prime is 124896383. The next prime is 124896391. The reversal of 124896390 is 93698421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124896391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398874 + ... + 399186.

It is an arithmetic number, because the mean of its divisors is an integer number (4815504).

Almost surely, 2^124896390 is an apocalyptic number.

124896390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 124896390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154096128).

124896390 is an abundant number, since it is smaller than the sum of its proper divisors (183295866).

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

124896390 is a wasteful number, since it uses less digits than its factorization.

124896390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 124896390 is about 11175.7053468674. The cubic root of 124896390 is about 499.8618151467.

The spelling of 124896390 in words is "one hundred twenty-four million, eight hundred ninety-six thousand, three hundred ninety".