1242414121 has 16 divisors (see below), whose sum is σ = 1380605184. Its totient is φ = 1110818304.

The previous prime is 1242414091. The next prime is 1242414139. The reversal of 1242414121 is 1214142421.

It is not a de Polignac number, because 1242414121 - 2⁷ = 1242413993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242414092 and 1242414101.

It is not an unprimeable number, because it can be changed into a prime (1242414421) 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, 48786 + ... + 69748.

It is an arithmetic number, because the mean of its divisors is an integer number (86287824).

Almost surely, 2^1242414121 is an apocalyptic number.

It is an amenable number.

1242414121 is a deficient number, since it is larger than the sum of its proper divisors (138191063).

1242414121 is a wasteful number, since it uses less digits than its factorization.

1242414121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21120.

The product of its digits is 512, while the sum is 22.

The square root of 1242414121 is about 35247.8952704981. The cubic root of 1242414121 is about 1075.0338178653.

Adding to 1242414121 its reverse (1214142421), we get a palindrome (2456556542).

The spelling of 1242414121 in words is "one billion, two hundred forty-two million, four hundred fourteen thousand, one hundred twenty-one".