126769980 has 24 divisors (see below), whose sum is σ = 354956112. Its totient is φ = 33805312.

The previous prime is 126769961. The next prime is 126769987. The reversal of 126769980 is 89967621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126769987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056357 + ... + 1056476.

It is an arithmetic number, because the mean of its divisors is an integer number (14789838).

Almost surely, 2^126769980 is an apocalyptic number.

126769980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126769980 is an abundant number, since it is smaller than the sum of its proper divisors (228186132).

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

126769980 is a wasteful number, since it uses less digits than its factorization.

126769980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112845 (or 2112843 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 126769980 is about 11259.2175571840. The cubic root of 126769980 is about 502.3489211918.

The spelling of 126769980 in words is "one hundred twenty-six million, seven hundred sixty-nine thousand, nine hundred eighty".