1158126190 has 64 divisors (see below), whose sum is σ = 2502239040. Its totient is φ = 381265920.

The previous prime is 1158126169. The next prime is 1158126217. The reversal of 1158126190 is 916218511.

It is a super-2 number, since 2×1158126190² = 2682512543927832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 28200 + ... + 55780.

It is an arithmetic number, because the mean of its divisors is an integer number (39097485).

Almost surely, 2^1158126190 is an apocalyptic number.

1158126190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1158126190 is an abundant number, since it is smaller than the sum of its proper divisors (1344112850).

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

1158126190 is a wasteful number, since it uses less digits than its factorization.

1158126190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27637.

The product of its (nonzero) digits is 4320, while the sum is 34.

The square root of 1158126190 is about 34031.2531359044. The cubic root of 1158126190 is about 1050.1515095050.

The spelling of 1158126190 in words is "one billion, one hundred fifty-eight million, one hundred twenty-six thousand, one hundred ninety".