1042132121 has 8 divisors (see below), whose sum is σ = 1126630080. Its totient is φ = 960599088.

The previous prime is 1042132109. The next prime is 1042132129. The reversal of 1042132121 is 1212312401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042132121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042132121.

It is not an unprimeable number, because it can be changed into a prime (1042132129) 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 7 ways as a sum of consecutive naturals, for example, 740501 + ... + 741906.

It is an arithmetic number, because the mean of its divisors is an integer number (140828760).

Almost surely, 2^1042132121 is an apocalyptic number.

It is an amenable number.

1042132121 is a deficient number, since it is larger than the sum of its proper divisors (84497959).

1042132121 is a wasteful number, since it uses less digits than its factorization.

1042132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482463.

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

The square root of 1042132121 is about 32282.0712005906. The cubic root of 1042132121 is about 1013.8512961005.

Adding to 1042132121 its reverse (1212312401), we get a palindrome (2254444522).

The spelling of 1042132121 in words is "one billion, forty-two million, one hundred thirty-two thousand, one hundred twenty-one".