126457340 has 12 divisors (see below), whose sum is σ = 265560456. Its totient is φ = 50582928.

The previous prime is 126457337. The next prime is 126457349. The reversal of 126457340 is 43754621.

It is a junction number, because it is equal to n+sod(n) for n = 126457297 and 126457306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126457349) 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, 3161414 + ... + 3161453.

It is an arithmetic number, because the mean of its divisors is an integer number (22130038).

Almost surely, 2^126457340 is an apocalyptic number.

126457340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126457340 is an abundant number, since it is smaller than the sum of its proper divisors (139103116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126457340 is a wasteful number, since it uses less digits than its factorization.

126457340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322876 (or 6322874 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 126457340 is about 11245.3252509654. The cubic root of 126457340 is about 501.9356171035.

The spelling of 126457340 in words is "one hundred twenty-six million, four hundred fifty-seven thousand, three hundred forty".