1042201121 has 16 divisors (see below), whose sum is σ = 1161592320. Its totient is φ = 928575360.

The previous prime is 1042201081. The next prime is 1042201151. The reversal of 1042201121 is 1211022401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1042201121 - 2²⁶ = 975092257 is a prime.

It is a super-2 number, since 2×1042201121² = 2172366353227313282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042201096 and 1042201105.

It is not an unprimeable number, because it can be changed into a prime (1042201151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161666 + ... + 167988.

It is an arithmetic number, because the mean of its divisors is an integer number (72599520).

Almost surely, 2^1042201121 is an apocalyptic number.

It is an amenable number.

1042201121 is a deficient number, since it is larger than the sum of its proper divisors (119391199).

1042201121 is a wasteful number, since it uses less digits than its factorization.

1042201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1042201121 is about 32283.1398875636. The cubic root of 1042201121 is about 1013.8736714449.

Adding to 1042201121 its reverse (1211022401), we get a palindrome (2253223522).

The spelling of 1042201121 in words is "one billion, forty-two million, two hundred one thousand, one hundred twenty-one".