1210101042 has 16 divisors (see below), whose sum is σ = 2459878272. Its totient is φ = 396754320.

The previous prime is 1210101037. The next prime is 1210101059. The reversal of 1210101042 is 2401010121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1652778 + ... + 1653509.

It is an arithmetic number, because the mean of its divisors is an integer number (153742392).

Almost surely, 2^1210101042 is an apocalyptic number.

1210101042 is an abundant number, since it is smaller than the sum of its proper divisors (1249777230).

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

1210101042 is a wasteful number, since it uses less digits than its factorization.

1210101042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306353.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1210101042 is about 34786.5066081663. The cubic root of 1210101042 is about 1065.6318972582.

Adding to 1210101042 its reverse (2401010121), we get a palindrome (3611111163).

The spelling of 1210101042 in words is "one billion, two hundred ten million, one hundred one thousand, forty-two".