1154250120 has 64 divisors (see below), whose sum is σ = 3465000000. Its totient is φ = 307600128.

The previous prime is 1154250103. The next prime is 1154250157. The reversal of 1154250120 is 210524511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328131 + ... + 331629.

It is an arithmetic number, because the mean of its divisors is an integer number (54140625).

Almost surely, 2^1154250120 is an apocalyptic number.

1154250120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1154250120 is an abundant number, since it is smaller than the sum of its proper divisors (2310749880).

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

1154250120 is a wasteful number, since it uses less digits than its factorization.

1154250120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262 (or 6258 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1154250120 is about 33974.2567247615. The cubic root of 1154250120 is about 1048.9786349290.

Adding to 1154250120 its reverse (210524511), we get a palindrome (1364774631).

The spelling of 1154250120 in words is "one billion, one hundred fifty-four million, two hundred fifty thousand, one hundred twenty".