126977694 has 8 divisors (see below), whose sum is σ = 253955400. Its totient is φ = 42325896.

The previous prime is 126977693. The next prime is 126977699. The reversal of 126977694 is 496779621.

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

126977694 is an admirable number.

It is a super-2 number, since 2×126977694² = 32246669547115272, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126977693) 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, 10581469 + ... + 10581480.

It is an arithmetic number, because the mean of its divisors is an integer number (31744425).

Almost surely, 2^126977694 is an apocalyptic number.

126977694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

126977694 is a wasteful number, since it uses less digits than its factorization.

126977694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21162954.

The product of its digits is 1143072, while the sum is 51.

The square root of 126977694 is about 11268.4379574101. The cubic root of 126977694 is about 502.6231395452.

The spelling of 126977694 in words is "one hundred twenty-six million, nine hundred seventy-seven thousand, six hundred ninety-four".