1158781302 has 240 divisors, whose sum is σ = 3313208448. Its totient is φ = 300464640.

The previous prime is 1158781301. The next prime is 1158781321. The reversal of 1158781302 is 2031878511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158781301) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4183188 + ... + 4183464.

Almost surely, 2^1158781302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158781302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1656604224).

1158781302 is an abundant number, since it is smaller than the sum of its proper divisors (2154427146).

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

1158781302 is a wasteful number, since it uses less digits than its factorization.

1158781302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 1158781302 is about 34040.8769275999. The cubic root of 1158781302 is about 1050.3494836644.

The spelling of 1158781302 in words is "one billion, one hundred fifty-eight million, seven hundred eighty-one thousand, three hundred two".