1048123590 has 64 divisors (see below), whose sum is σ = 2599998912. Its totient is φ = 270233600.

The previous prime is 1048123589. The next prime is 1048123651. The reversal of 1048123590 is 953218401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135220 + ... + 142760.

It is an arithmetic number, because the mean of its divisors is an integer number (40624983).

Almost surely, 2^1048123590 is an apocalyptic number.

1048123590 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 1048123590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299999456).

1048123590 is an abundant number, since it is smaller than the sum of its proper divisors (1551875322).

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

1048123590 is a wasteful number, since it uses less digits than its factorization.

1048123590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1048123590 is about 32374.7369101279. The cubic root of 1048123590 is about 1015.7905430070.

The spelling of 1048123590 in words is "one billion, forty-eight million, one hundred twenty-three thousand, five hundred ninety".