125263542 has 16 divisors (see below), whose sum is σ = 263712960. Its totient is φ = 39556872.

The previous prime is 125263519. The next prime is 125263583. The reversal of 125263542 is 245362521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549288 + ... + 549515.

It is an arithmetic number, because the mean of its divisors is an integer number (16482060).

Almost surely, 2^125263542 is an apocalyptic number.

125263542 is an abundant number, since it is smaller than the sum of its proper divisors (138449418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125263542 is a wasteful number, since it uses less digits than its factorization.

125263542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098827.

The product of its digits is 14400, while the sum is 30.

The square root of 125263542 is about 11192.1196383884. The cubic root of 125263542 is about 500.3511426733.

The spelling of 125263542 in words is "one hundred twenty-five million, two hundred sixty-three thousand, five hundred forty-two".