125980693 has 4 divisors (see below), whose sum is σ = 133391340. Its totient is φ = 118570048.

The previous prime is 125980691. The next prime is 125980709. The reversal of 125980693 is 396089521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99540529 + 26440164 = 9977^2 + 5142^2 .

It is a cyclic number.

It is not a de Polignac number, because 125980693 - 2¹ = 125980691 is a prime.

It is a super-2 number, since 2×125980693² = 31742270017520498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125980691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3705298 + ... + 3705331.

It is an arithmetic number, because the mean of its divisors is an integer number (33347835).

Almost surely, 2^125980693 is an apocalyptic number.

It is an amenable number.

125980693 is a deficient number, since it is larger than the sum of its proper divisors (7410647).

125980693 is an equidigital number, since it uses as much as digits as its factorization.

125980693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7410646.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 125980693 is about 11224.1121252418. The cubic root of 125980693 is about 501.3041859072.

The spelling of 125980693 in words is "one hundred twenty-five million, nine hundred eighty thousand, six hundred ninety-three".