125642262 has 16 divisors (see below), whose sum is σ = 251452080. Its totient is φ = 41852832.

The previous prime is 125642227. The next prime is 125642263. The reversal of 125642262 is 262246521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125642263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4128 + ... + 16380.

It is an arithmetic number, because the mean of its divisors is an integer number (15715755).

Almost surely, 2^125642262 is an apocalyptic number.

125642262 is an abundant number, since it is smaller than the sum of its proper divisors (125809818).

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

125642262 is a wasteful number, since it uses less digits than its factorization.

125642262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13967.

The product of its digits is 11520, while the sum is 30.

The square root of 125642262 is about 11209.0259166441. The cubic root of 125642262 is about 500.8548868373.

Adding to 125642262 its reverse (262246521), we get a palindrome (387888783).

The spelling of 125642262 in words is "one hundred twenty-five million, six hundred forty-two thousand, two hundred sixty-two".