10742981 has 4 divisors (see below), whose sum is σ = 10903392. Its totient is φ = 10582572.

The previous prime is 10742969. The next prime is 10742983. The reversal of 10742981 is 18924701.

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-10742981 is a prime.

It is a super-2 number, since 2×10742981² = 230823281532722, 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 (10742983) 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, 80105 + ... + 80238.

It is an arithmetic number, because the mean of its divisors is an integer number (2725848).

Almost surely, 2^10742981 is an apocalyptic number.

It is an amenable number.

10742981 is a deficient number, since it is larger than the sum of its proper divisors (160411).

10742981 is an equidigital number, since it uses as much as digits as its factorization.

10742981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160410.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 10742981 is about 3277.6486999067. The cubic root of 10742981 is about 220.6522037093.

The spelling of 10742981 in words is "ten million, seven hundred forty-two thousand, nine hundred eighty-one".