126970949 has 4 divisors (see below), whose sum is σ = 145109664. Its totient is φ = 108832236.

The previous prime is 126970927. The next prime is 126970967. The reversal of 126970949 is 949079621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126970949 is a prime.

It is a super-2 number, since 2×126970949² = 32243243779921202, 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 (126970999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9069347 + ... + 9069360.

It is an arithmetic number, because the mean of its divisors is an integer number (36277416).

Almost surely, 2^126970949 is an apocalyptic number.

It is an amenable number.

126970949 is a deficient number, since it is larger than the sum of its proper divisors (18138715).

126970949 is an equidigital number, since it uses as much as digits as its factorization.

126970949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18138714.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 126970949 is about 11268.1386661684. The cubic root of 126970949 is about 502.6142396800.

The spelling of 126970949 in words is "one hundred twenty-six million, nine hundred seventy thousand, nine hundred forty-nine".