125133154 has 4 divisors (see below), whose sum is σ = 187699734. Its totient is φ = 62566576.

The previous prime is 125133137. The next prime is 125133161. The reversal of 125133154 is 451331521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451331521 = 17 ⋅26548913.

It can be written as a sum of positive squares in only one way, i.e., 112848129 + 12285025 = 10623^2 + 3505^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31283287 + ... + 31283290.

Almost surely, 2^125133154 is an apocalyptic number.

125133154 is a deficient number, since it is larger than the sum of its proper divisors (62566580).

125133154 is an equidigital number, since it uses as much as digits as its factorization.

125133154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62566579.

The product of its digits is 1800, while the sum is 25.

The square root of 125133154 is about 11186.2931304342. The cubic root of 125133154 is about 500.1774756640.

Adding to 125133154 its reverse (451331521), we get a palindrome (576464675).

The spelling of 125133154 in words is "one hundred twenty-five million, one hundred thirty-three thousand, one hundred fifty-four".