1124289690 has 64 divisors (see below), whose sum is σ = 2797027200. Its totient is φ = 288882944.

The previous prime is 1124289667. The next prime is 1124289707. The reversal of 1124289690 is 969824211.

It is a super-2 number, since 2×1124289690² = 2528054614080592200, which contains 22 as substring.

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, 567121 + ... + 569099.

It is an arithmetic number, because the mean of its divisors is an integer number (43703550).

Almost surely, 2^1124289690 is an apocalyptic number.

1124289690 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 1124289690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398513600).

1124289690 is an abundant number, since it is smaller than the sum of its proper divisors (1672737510).

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

1124289690 is a wasteful number, since it uses less digits than its factorization.

1124289690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1124289690 is about 33530.4293142811. The cubic root of 1124289690 is about 1039.8229759099.

The spelling of 1124289690 in words is "one billion, one hundred twenty-four million, two hundred eighty-nine thousand, six hundred ninety".