1042312151 has 4 divisors (see below), whose sum is σ = 1061978472. Its totient is φ = 1022645832.

The previous prime is 1042312129. The next prime is 1042312153. The reversal of 1042312151 is 1512132401.

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

It is a cyclic number.

It is not a de Polignac number, because 1042312151 - 2²⁶ = 975203287 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 (1042312153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9833081 + ... + 9833186.

It is an arithmetic number, because the mean of its divisors is an integer number (265494618).

Almost surely, 2^1042312151 is an apocalyptic number.

1042312151 is a deficient number, since it is larger than the sum of its proper divisors (19666321).

1042312151 is an equidigital number, since it uses as much as digits as its factorization.

1042312151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19666320.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1042312151 is about 32284.8594700364. The cubic root of 1042312151 is about 1013.9096742196.

Adding to 1042312151 its reverse (1512132401), we get a palindrome (2554444552).

The spelling of 1042312151 in words is "one billion, forty-two million, three hundred twelve thousand, one hundred fifty-one".