1142121013 has 8 divisors (see below), whose sum is σ = 1319241600. Its totient is φ = 977215680.

The previous prime is 1142120999. The next prime is 1142121017. The reversal of 1142121013 is 3101212411.

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-1142121013 is a prime.

It is a super-2 number, since 2×1142121013² = 2608880816672292338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142121017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3053613 + ... + 3053986.

It is an arithmetic number, because the mean of its divisors is an integer number (164905200).

Almost surely, 2^1142121013 is an apocalyptic number.

It is an amenable number.

1142121013 is a deficient number, since it is larger than the sum of its proper divisors (177120587).

1142121013 is a wasteful number, since it uses less digits than its factorization.

1142121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107627.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1142121013 is about 33795.2809279639. The cubic root of 1142121013 is about 1045.2913919201.

Adding to 1142121013 its reverse (3101212411), we get a palindrome (4243333424).

The spelling of 1142121013 in words is "one billion, one hundred forty-two million, one hundred twenty-one thousand, thirteen".