126052993 has 4 divisors (see below), whose sum is σ = 137512368. Its totient is φ = 114593620.

The previous prime is 126052991. The next prime is 126053009. The reversal of 126052993 is 399250621.

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 not a de Polignac number, because 126052993 - 2¹ = 126052991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126052991) 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, 5729671 + ... + 5729692.

It is an arithmetic number, because the mean of its divisors is an integer number (34378092).

Almost surely, 2^126052993 is an apocalyptic number.

It is an amenable number.

126052993 is a deficient number, since it is larger than the sum of its proper divisors (11459375).

126052993 is a wasteful number, since it uses less digits than its factorization.

126052993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459374.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 126052993 is about 11227.3324080122. The cubic root of 126052993 is about 501.4000666343.

The spelling of 126052993 in words is "one hundred twenty-six million, fifty-two thousand, nine hundred ninety-three".