125742226 has 8 divisors (see below), whose sum is σ = 190732860. Its totient is φ = 62164608.

The previous prime is 125742223. The next prime is 125742229. The reversal of 125742226 is 622247521.

It is an interprime number because it is at equal distance from previous prime (125742223) and next prime (125742229).

It can be written as a sum of positive squares in 2 ways, for example, as 117614025 + 8128201 = 10845^2 + 2851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×125742226² = 31622214798870152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125742223) 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, 353031 + ... + 353386.

Almost surely, 2^125742226 is an apocalyptic number.

125742226 is a deficient number, since it is larger than the sum of its proper divisors (64990634).

125742226 is an equidigital number, since it uses as much as digits as its factorization.

125742226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706508.

The product of its digits is 13440, while the sum is 31.

The square root of 125742226 is about 11213.4841151178. The cubic root of 125742226 is about 500.9876823492.

Adding to 125742226 its reverse (622247521), we get a palindrome (747989747).

The spelling of 125742226 in words is "one hundred twenty-five million, seven hundred forty-two thousand, two hundred twenty-six".