1042216061 has 4 divisors (see below), whose sum is σ = 1059880800. Its totient is φ = 1024551324.

The previous prime is 1042216033. The next prime is 1042216067. The reversal of 1042216061 is 1606122401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1606122401 = 13 ⋅123547877.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1042216061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042216067) 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, 8832281 + ... + 8832398.

It is an arithmetic number, because the mean of its divisors is an integer number (264970200).

Almost surely, 2^1042216061 is an apocalyptic number.

It is an amenable number.

1042216061 is a deficient number, since it is larger than the sum of its proper divisors (17664739).

1042216061 is an equidigital number, since it uses as much as digits as its factorization.

1042216061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17664738.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1042216061 is about 32283.3712768664. The cubic root of 1042216061 is about 1013.8785160634.

Adding to 1042216061 its reverse (1606122401), we get a palindrome (2648338462).

The spelling of 1042216061 in words is "one billion, forty-two million, two hundred sixteen thousand, sixty-one".