126283731 has 48 divisors (see below), whose sum is σ = 209599488. Its totient is φ = 67267200.

The previous prime is 126283699. The next prime is 126283741. The reversal of 126283731 is 137382621.

It is not a de Polignac number, because 126283731 - 2⁵ = 126283699 is a prime.

It is a super-2 number, since 2×126283731² = 31895161430560722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126283692 and 126283701.

It is not an unprimeable number, because it can be changed into a prime (126283741) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138166 + ... + 139076.

It is an arithmetic number, because the mean of its divisors is an integer number (4366656).

Almost surely, 2^126283731 is an apocalyptic number.

126283731 is a deficient number, since it is larger than the sum of its proper divisors (83315757).

126283731 is a wasteful number, since it uses less digits than its factorization.

126283731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 985 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 126283731 is about 11237.6034366763. The cubic root of 126283731 is about 501.7058151049.

The spelling of 126283731 in words is "one hundred twenty-six million, two hundred eighty-three thousand, seven hundred thirty-one".