126973567 has 6 divisors (see below), whose sum is σ = 145146728. Its totient is φ = 108808932.

The previous prime is 126973549. The next prime is 126973579. The reversal of 126973567 is 765379621.

It is not a de Polignac number, because 126973567 - 2¹¹ = 126971519 is a prime.

It is a super-2 number, since 2×126973567² = 32244573433406978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126973537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27684 + ... + 31942.

Almost surely, 2^126973567 is an apocalyptic number.

126973567 is a deficient number, since it is larger than the sum of its proper divisors (18173161).

126973567 is an frugal number, since it uses more digits than its factorization.

126973567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525 (or 4266 counting only the distinct ones).

The product of its digits is 476280, while the sum is 46.

The square root of 126973567 is about 11268.2548338241. The cubic root of 126973567 is about 502.6176941054.

The spelling of 126973567 in words is "one hundred twenty-six million, nine hundred seventy-three thousand, five hundred sixty-seven".