125213320 has 16 divisors (see below), whose sum is σ = 281730060. Its totient is φ = 50085312.

The previous prime is 125213293. The next prime is 125213339. The reversal of 125213320 is 23312521.

It can be written as a sum of positive squares in 2 ways, for example, as 124144164 + 1069156 = 11142^2 + 1034^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565127 + ... + 1565206.

Almost surely, 2^125213320 is an apocalyptic number.

125213320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125213320 is an abundant number, since it is smaller than the sum of its proper divisors (156516740).

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

125213320 is a wasteful number, since it uses less digits than its factorization.

125213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130344 (or 3130340 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 125213320 is about 11189.8757812587. The cubic root of 125213320 is about 500.2842650228.

Adding to 125213320 its reverse (23312521), we get a palindrome (148525841).

It can be divided in two parts, 1252133 and 20, that added together give a triangular number (1252153 = T₁₅₈₂).

The spelling of 125213320 in words is "one hundred twenty-five million, two hundred thirteen thousand, three hundred twenty".