126007770 has 64 divisors (see below), whose sum is σ = 347523840. Its totient is φ = 28643328.

The previous prime is 126007751. The next prime is 126007781. The reversal of 126007770 is 77700621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38976 + ... + 42084.

It is an arithmetic number, because the mean of its divisors is an integer number (5430060).

Almost surely, 2^126007770 is an apocalyptic number.

126007770 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 126007770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173761920).

126007770 is an abundant number, since it is smaller than the sum of its proper divisors (221516070).

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

126007770 is a wasteful number, since it uses less digits than its factorization.

126007770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 126007770 is about 11225.3182582945. The cubic root of 126007770 is about 501.3400983971.

The spelling of 126007770 in words is "one hundred twenty-six million, seven thousand, seven hundred seventy".