942012749 has 4 divisors (see below), whose sum is σ = 942134940. Its totient is φ = 941890560.

The previous prime is 942012727. The next prime is 942012767. The reversal of 942012749 is 947210249.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 596238724 + 345774025 = 24418^2 + 18595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-942012749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942012649) 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, 48692 + ... + 65229.

It is an arithmetic number, because the mean of its divisors is an integer number (235533735).

Almost surely, 2^942012749 is an apocalyptic number.

It is an amenable number.

942012749 is a deficient number, since it is larger than the sum of its proper divisors (122191).

942012749 is a wasteful number, since it uses less digits than its factorization.

942012749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122190.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 942012749 is about 30692.2261981760. The cubic root of 942012749 is about 980.2847808353.

The spelling of 942012749 in words is "nine hundred forty-two million, twelve thousand, seven hundred forty-nine".