1210431042 has 24 divisors (see below), whose sum is σ = 2776871916. Its totient is φ = 379742976.

The previous prime is 1210431011. The next prime is 1210431067. The reversal of 1210431042 is 2401340121.

It can be written as a sum of positive squares in 2 ways, for example, as 1205408961 + 5022081 = 34719^2 + 2241^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1977523 + ... + 1978134.

Almost surely, 2^1210431042 is an apocalyptic number.

1210431042 is an abundant number, since it is smaller than the sum of its proper divisors (1566440874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210431042 is a wasteful number, since it uses less digits than its factorization.

1210431042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955682 (or 3955679 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1210431042 is about 34791.2495032875. The cubic root of 1210431042 is about 1065.7287559921.

Adding to 1210431042 its reverse (2401340121), we get a palindrome (3611771163).

The spelling of 1210431042 in words is "one billion, two hundred ten million, four hundred thirty-one thousand, forty-two".