1142076731 has 2 divisors, whose sum is σ = 1142076732. Its totient is φ = 1142076730.

The previous prime is 1142076713. The next prime is 1142076737. The reversal of 1142076731 is 1376702411.

Together with previous prime (1142076713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142076731 - 2¹⁸ = 1141814587 is a prime.

It is a super-3 number, since 3×1142076731³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1142076737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571038365 + 571038366.

It is an arithmetic number, because the mean of its divisors is an integer number (571038366).

Almost surely, 2^1142076731 is an apocalyptic number.

1142076731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142076731 is an equidigital number, since it uses as much as digits as its factorization.

1142076731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1142076731 is about 33794.6257709713. The cubic root of 1142076731 is about 1045.2778824960.

The spelling of 1142076731 in words is "one billion, one hundred forty-two million, seventy-six thousand, seven hundred thirty-one".