126774510 has 48 divisors (see below), whose sum is σ = 311032656. Its totient is φ = 33069952.

The previous prime is 126774509. The next prime is 126774511. The reversal of 126774510 is 15477621.

It is an interprime number because it is at equal distance from previous prime (126774509) and next prime (126774511).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126774511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65314 + ... + 67226.

It is an arithmetic number, because the mean of its divisors is an integer number (6479847).

Almost surely, 2^126774510 is an apocalyptic number.

126774510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126774510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155516328).

126774510 is an abundant number, since it is smaller than the sum of its proper divisors (184258146).

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

126774510 is a wasteful number, since it uses less digits than its factorization.

126774510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 126774510 is about 11259.4187238951. The cubic root of 126774510 is about 502.3549047680.

The spelling of 126774510 in words is "one hundred twenty-six million, seven hundred seventy-four thousand, five hundred ten".