126777696 has 48 divisors (see below), whose sum is σ = 339084144. Its totient is φ = 41460224.

The previous prime is 126777689. The next prime is 126777697. The reversal of 126777696 is 696777621.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126777697) 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, 7371 + ... + 17546.

It is an arithmetic number, because the mean of its divisors is an integer number (7064253).

Almost surely, 2^126777696 is an apocalyptic number.

126777696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126777696 is an abundant number, since it is smaller than the sum of its proper divisors (212306448).

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

126777696 is a wasteful number, since it uses less digits than its factorization.

126777696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24983 (or 24975 counting only the distinct ones).

The product of its digits is 1333584, while the sum is 51.

The square root of 126777696 is about 11259.5602045551. The cubic root of 126777696 is about 502.3591129991.

The spelling of 126777696 in words is "one hundred twenty-six million, seven hundred seventy-seven thousand, six hundred ninety-six".