125345402 has 32 divisors (see below), whose sum is σ = 232990464. Its totient is φ = 49248000.

The previous prime is 125345399. The next prime is 125345417. The reversal of 125345402 is 204543521.

It is a happy number.

It is a super-2 number, since 2×125345402² = 31422939605083208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 15 ways as a sum of consecutive naturals, for example, 25202 + ... + 29762.

It is an arithmetic number, because the mean of its divisors is an integer number (7280952).

Almost surely, 2^125345402 is an apocalyptic number.

125345402 is a deficient number, since it is larger than the sum of its proper divisors (107645062).

125345402 is a wasteful number, since it uses less digits than its factorization.

125345402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 125345402 is about 11195.7760785039. The cubic root of 125345402 is about 500.4601124632.

Adding to 125345402 its reverse (204543521), we get a palindrome (329888923).

The spelling of 125345402 in words is "one hundred twenty-five million, three hundred forty-five thousand, four hundred two".