1142734761 has 48 divisors (see below), whose sum is σ = 1947893376. Its totient is φ = 631991808.

The previous prime is 1142734757. The next prime is 1142734819. The reversal of 1142734761 is 1674372411.

1142734761 is a `hidden beast` number, since 114 + 2 + 73 + 476 + 1 = 666.

1142734761 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1142734761 - 2² = 1142734757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142734711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304251 + ... + 307983.

It is an arithmetic number, because the mean of its divisors is an integer number (40581112).

Almost surely, 2^1142734761 is an apocalyptic number.

It is an amenable number.

1142734761 is a deficient number, since it is larger than the sum of its proper divisors (805158615).

1142734761 is a wasteful number, since it uses less digits than its factorization.

1142734761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902 (or 3899 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 1142734761 is about 33804.3600886040. The cubic root of 1142734761 is about 1045.4785964315.

The spelling of 1142734761 in words is "one billion, one hundred forty-two million, seven hundred thirty-four thousand, seven hundred sixty-one".