1042121312 has 24 divisors (see below), whose sum is σ = 2052414000. Its totient is φ = 520873344.

The previous prime is 1042121287. The next prime is 1042121323. The reversal of 1042121312 is 2131212401.

It is a congruent number.

It is an unprimeable number.

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, 141989 + ... + 149147.

It is an arithmetic number, because the mean of its divisors is an integer number (85517250).

Almost surely, 2^1042121312 is an apocalyptic number.

It is an amenable number.

1042121312 is a deficient number, since it is larger than the sum of its proper divisors (1010292688).

1042121312 is an equidigital number, since it uses as much as digits as its factorization.

1042121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11718 (or 11710 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1042121312 is about 32281.9037852479. The cubic root of 1042121312 is about 1013.8477908647.

Adding to 1042121312 its reverse (2131212401), we get a palindrome (3173333713).

The spelling of 1042121312 in words is "one billion, forty-two million, one hundred twenty-one thousand, three hundred twelve".