1210427042 has 16 divisors (see below), whose sum is σ = 1981324800. Its totient is φ = 550020240.

The previous prime is 1210427039. The next prime is 1210427059. The reversal of 1210427042 is 2407240121.

It is a junction number, because it is equal to n+sod(n) for n = 1210426999 and 1210427017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84884 + ... + 98112.

It is an arithmetic number, because the mean of its divisors is an integer number (123832800).

Almost surely, 2^1210427042 is an apocalyptic number.

1210427042 is a deficient number, since it is larger than the sum of its proper divisors (770897758).

1210427042 is a wasteful number, since it uses less digits than its factorization.

1210427042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17401.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 1210427042 is about 34791.1920175208. The cubic root of 1210427042 is about 1065.7275820523.

Adding to 1210427042 its reverse (2407240121), we get a palindrome (3617667163).

The spelling of 1210427042 in words is "one billion, two hundred ten million, four hundred twenty-seven thousand, forty-two".