126463431 has 16 divisors (see below), whose sum is σ = 172016768. Its totient is φ = 82620000.

The previous prime is 126463423. The next prime is 126463439. The reversal of 126463431 is 134364621.

It is an interprime number because it is at equal distance from previous prime (126463423) and next prime (126463439).

It is not a de Polignac number, because 126463431 - 2³ = 126463423 is a prime.

It is a super-2 number, since 2×126463431² = 31985998760583522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126463439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55056 + ... + 57306.

It is an arithmetic number, because the mean of its divisors is an integer number (10751048).

Almost surely, 2^126463431 is an apocalyptic number.

126463431 is a deficient number, since it is larger than the sum of its proper divisors (45553337).

126463431 is a wasteful number, since it uses less digits than its factorization.

126463431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622.

The product of its digits is 10368, while the sum is 30.

The square root of 126463431 is about 11245.5960713517. The cubic root of 126463431 is about 501.9436757915.

The spelling of 126463431 in words is "one hundred twenty-six million, four hundred sixty-three thousand, four hundred thirty-one".