126250469 has 4 divisors (see below), whose sum is σ = 126275520. Its totient is φ = 126225420.

The previous prime is 126250463. The next prime is 126250471. The reversal of 126250469 is 964052621.

It is a happy number.

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: 964052621 = 7 ⋅137721803.

It is a cyclic number.

It is not a de Polignac number, because 126250469 - 2²⁰ = 125201893 is a prime.

It is a super-2 number, since 2×126250469² = 31878361845439922, 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 (126250463) 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, 2039 + ... + 16020.

It is an arithmetic number, because the mean of its divisors is an integer number (31568880).

Almost surely, 2^126250469 is an apocalyptic number.

It is an amenable number.

126250469 is a deficient number, since it is larger than the sum of its proper divisors (25051).

126250469 is an equidigital number, since it uses as much as digits as its factorization.

126250469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25050.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 126250469 is about 11236.1233973288. The cubic root of 126250469 is about 501.6617629692.

The spelling of 126250469 in words is "one hundred twenty-six million, two hundred fifty thousand, four hundred sixty-nine".