125340999 has 16 divisors (see below), whose sum is σ = 192503808. Its totient is φ = 71057952.

The previous prime is 125340997. The next prime is 125341003. The reversal of 125340999 is 999043521.

It is not a de Polignac number, because 125340999 - 2¹ = 125340997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125340999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125340997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20832 + ... + 26165.

It is an arithmetic number, because the mean of its divisors is an integer number (12031488).

Almost surely, 2^125340999 is an apocalyptic number.

125340999 is a deficient number, since it is larger than the sum of its proper divisors (67162809).

125340999 is a wasteful number, since it uses less digits than its factorization.

125340999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47134.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 125340999 is about 11195.5794401183. The cubic root of 125340999 is about 500.4542525177.

The spelling of 125340999 in words is "one hundred twenty-five million, three hundred forty thousand, nine hundred ninety-nine".