1032142121 has 4 divisors (see below), whose sum is σ = 1060037892. Its totient is φ = 1004246352.

The previous prime is 1032142099. The next prime is 1032142141. The reversal of 1032142121 is 1212412301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 981944896 + 50197225 = 31336^2 + 7085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032142121 - 2¹⁴ = 1032125737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1032142121.

It is not an unprimeable number, because it can be changed into a prime (1032142141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13947830 + ... + 13947903.

It is an arithmetic number, because the mean of its divisors is an integer number (265009473).

Almost surely, 2^1032142121 is an apocalyptic number.

It is an amenable number.

1032142121 is a deficient number, since it is larger than the sum of its proper divisors (27895771).

1032142121 is an equidigital number, since it uses as much as digits as its factorization.

1032142121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27895770.

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

The square root of 1032142121 is about 32126.9687490121. The cubic root of 1032142121 is about 1010.6012565464.

Adding to 1032142121 its reverse (1212412301), we get a palindrome (2244554422).

The spelling of 1032142121 in words is "one billion, thirty-two million, one hundred forty-two thousand, one hundred twenty-one".