125144102 has 4 divisors (see below), whose sum is σ = 187716156. Its totient is φ = 62572050.

The previous prime is 125144093. The next prime is 125144113. The reversal of 125144102 is 201441521.

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: 201441521 = 23 ⋅8758327.

It is a super-2 number, since 2×125144102² = 31322092530772808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31286024 + ... + 31286027.

It is an arithmetic number, because the mean of its divisors is an integer number (46929039).

Almost surely, 2^125144102 is an apocalyptic number.

125144102 is a deficient number, since it is larger than the sum of its proper divisors (62572054).

125144102 is an equidigital number, since it uses as much as digits as its factorization.

125144102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62572053.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 125144102 is about 11186.7824686100. The cubic root of 125144102 is about 500.1920622148.

Adding to 125144102 its reverse (201441521), we get a palindrome (326585623).

The spelling of 125144102 in words is "one hundred twenty-five million, one hundred forty-four thousand, one hundred two".