1174138020 has 432 divisors, whose sum is σ = 4238567424. Its totient is φ = 262310400.

The previous prime is 1174138013. The next prime is 1174138111. The reversal of 1174138020 is 208314711.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 24981637 + ... + 24981683.

Almost surely, 2^1174138020 is an apocalyptic number.

1174138020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1174138020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2119283712).

1174138020 is an abundant number, since it is smaller than the sum of its proper divisors (3064429404).

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

1174138020 is a wasteful number, since it uses less digits than its factorization.

1174138020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1174138020 is about 34265.6974246841. The cubic root of 1174138020 is about 1054.9690459087.

The spelling of 1174138020 in words is "one billion, one hundred seventy-four million, one hundred thirty-eight thousand, twenty".