126376993 has 8 divisors (see below), whose sum is σ = 128119040. Its totient is φ = 124647120.

The previous prime is 126376969. The next prime is 126377021. The reversal of 126376993 is 399673621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126376993 is a prime.

It is a super-2 number, since 2×126376993² = 31942288719444098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126376903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18928 + ... + 24718.

It is an arithmetic number, because the mean of its divisors is an integer number (16014880).

Almost surely, 2^126376993 is an apocalyptic number.

It is an amenable number.

126376993 is a deficient number, since it is larger than the sum of its proper divisors (1742047).

126376993 is a wasteful number, since it uses less digits than its factorization.

126376993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6087.

The product of its digits is 367416, while the sum is 46.

The square root of 126376993 is about 11241.7522210730. The cubic root of 126376993 is about 501.8292899018.

The spelling of 126376993 in words is "one hundred twenty-six million, three hundred seventy-six thousand, nine hundred ninety-three".