125602213 has 4 divisors (see below), whose sum is σ = 137020608. Its totient is φ = 114183820.

The previous prime is 125602201. The next prime is 125602231. The reversal of 125602213 is 312206521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312206521 = 11 ⋅28382411.

It is a cyclic number.

It is not a de Polignac number, because 125602213 - 2²¹ = 123505061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125600213) 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, 5709181 + ... + 5709202.

It is an arithmetic number, because the mean of its divisors is an integer number (34255152).

Almost surely, 2^125602213 is an apocalyptic number.

It is an amenable number.

125602213 is a deficient number, since it is larger than the sum of its proper divisors (11418395).

125602213 is a wasteful number, since it uses less digits than its factorization.

125602213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11418394.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 125602213 is about 11207.2393121589. The cubic root of 125602213 is about 500.8016646473.

Adding to 125602213 its reverse (312206521), we get a palindrome (437808734).

The spelling of 125602213 in words is "one hundred twenty-five million, six hundred two thousand, two hundred thirteen".