126865490 has 8 divisors (see below), whose sum is σ = 228357900. Its totient is φ = 50746192.

The previous prime is 126865481. The next prime is 126865499. The reversal of 126865490 is 94568621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126865481) and next prime (126865499).

It can be written as a sum of positive squares in 2 ways, for example, as 117137329 + 9728161 = 10823^2 + 3119^2 .

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

It is not an unprimeable number, because it can be changed into a prime (126865499) 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, 6343265 + ... + 6343284.

Almost surely, 2^126865490 is an apocalyptic number.

126865490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126865490 is a deficient number, since it is larger than the sum of its proper divisors (101492410).

126865490 is a wasteful number, since it uses less digits than its factorization.

126865490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12686556.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 126865490 is about 11263.4581723377. The cubic root of 126865490 is about 502.4750480585.

The spelling of 126865490 in words is "one hundred twenty-six million, eight hundred sixty-five thousand, four hundred ninety".