125105145263402 has 32 divisors (see below), whose sum is σ = 188714718259200. Its totient is φ = 62201410242048.

The previous prime is 125105145263389. The next prime is 125105145263587. The reversal of 125105145263402 is 204362541501521.

It is a happy number.

It is a super-2 number, since 2×125105145263402² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125105145263402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516293858 + ... + 516536114.

It is an arithmetic number, because the mean of its divisors is an integer number (5897334945600).

Almost surely, 2^{125105145263402} is an apocalyptic number.

125105145263402 is a deficient number, since it is larger than the sum of its proper divisors (63609572995798).

125105145263402 is a wasteful number, since it uses less digits than its factorization.

125105145263402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244670.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 125105145263402 its reverse (204362541501521), we get a palindrome (329467686764923).

The spelling of 125105145263402 in words is "one hundred twenty-five trillion, one hundred five billion, one hundred forty-five million, two hundred sixty-three thousand, four hundred two".