1154120125 has 8 divisors (see below), whose sum is σ = 1440342072. Its totient is φ = 923296000.

The previous prime is 1154120119. The next prime is 1154120131. The reversal of 1154120125 is 5210214511.

It is an interprime number because it is at equal distance from previous prime (1154120119) and next prime (1154120131).

It can be written as a sum of positive squares in 4 ways, for example, as 48358116 + 1105762009 = 6954^2 + 33253^2 .

It is not a de Polignac number, because 1154120125 - 2¹⁵ = 1154087357 is a prime.

It is a super-3 number, since 3×1154120125³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154120096 and 1154120105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4616356 + ... + 4616605.

It is an arithmetic number, because the mean of its divisors is an integer number (180042759).

Almost surely, 2^1154120125 is an apocalyptic number.

It is an amenable number.

1154120125 is a deficient number, since it is larger than the sum of its proper divisors (286221947).

1154120125 is an frugal number, since it uses more digits than its factorization.

1154120125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9232976 (or 9232966 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1154120125 is about 33972.3435311725. The cubic root of 1154120125 is about 1048.9392537773.

Adding to 1154120125 its reverse (5210214511), we get a palindrome (6364334636).

The spelling of 1154120125 in words is "one billion, one hundred fifty-four million, one hundred twenty thousand, one hundred twenty-five".