1154555130 has 32 divisors (see below), whose sum is σ = 2774715264. Its totient is φ = 307461056.

The previous prime is 1154555099. The next prime is 1154555137. The reversal of 1154555130 is 315554511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1154555137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3609 + ... + 48188.

It is an arithmetic number, because the mean of its divisors is an integer number (86709852).

Almost surely, 2^1154555130 is an apocalyptic number.

1154555130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1154555130 is an abundant number, since it is smaller than the sum of its proper divisors (1620160134).

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

1154555130 is a wasteful number, since it uses less digits than its factorization.

1154555130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52550.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1154555130 is about 33978.7452681820. The cubic root of 1154555130 is about 1049.0710241463.

The spelling of 1154555130 in words is "one billion, one hundred fifty-four million, five hundred fifty-five thousand, one hundred thirty".