1142664707 has 4 divisors (see below), whose sum is σ = 1209880296. Its totient is φ = 1075449120.

The previous prime is 1142664703. The next prime is 1142664737. The reversal of 1142664707 is 7074662411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7074662411 = 349 ⋅20271239.

It is a cyclic number.

It is not a de Polignac number, because 1142664707 - 2² = 1142664703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142664703) 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, 33607769 + ... + 33607802.

It is an arithmetic number, because the mean of its divisors is an integer number (302470074).

Almost surely, 2^1142664707 is an apocalyptic number.

1142664707 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1142664707 is a deficient number, since it is larger than the sum of its proper divisors (67215589).

1142664707 is an equidigital number, since it uses as much as digits as its factorization.

1142664707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67215588.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1142664707 is about 33803.3239046103. The cubic root of 1142664707 is about 1045.4572320529.

The spelling of 1142664707 in words is "one billion, one hundred forty-two million, six hundred sixty-four thousand, seven hundred seven".