1202021042 has 16 divisors (see below), whose sum is σ = 1840406400. Its totient is φ = 588628080.

The previous prime is 1202021027. The next prime is 1202021047. The reversal of 1202021042 is 2401202021.

It is not an unprimeable number, because it can be changed into a prime (1202021047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13184 + ... + 50772.

It is an arithmetic number, because the mean of its divisors is an integer number (115025400).

Almost surely, 2^1202021042 is an apocalyptic number.

1202021042 is a deficient number, since it is larger than the sum of its proper divisors (638385358).

1202021042 is a wasteful number, since it uses less digits than its factorization.

1202021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37921.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1202021042 is about 34670.1751077205. The cubic root of 1202021042 is about 1063.2548116880.

Adding to 1202021042 its reverse (2401202021), we get a palindrome (3603223063).

The spelling of 1202021042 in words is "one billion, two hundred two million, twenty-one thousand, forty-two".