1202000142 has 64 divisors (see below), whose sum is σ = 2777808384. Its totient is φ = 339655680.

The previous prime is 1202000123. The next prime is 1202000143. The reversal of 1202000142 is 2410002021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202000143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2306842 + ... + 2307362.

It is an arithmetic number, because the mean of its divisors is an integer number (43403256).

Almost surely, 2^1202000142 is an apocalyptic number.

1202000142 is the 28308-th pentagonal number.

1202000142 is an abundant number, since it is smaller than the sum of its proper divisors (1575808242).

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

1202000142 is a wasteful number, since it uses less digits than its factorization.

1202000142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1202000142 is about 34669.8736946070. The cubic root of 1202000142 is about 1063.2486492462.

Adding to 1202000142 its reverse (2410002021), we get a palindrome (3612002163).

The spelling of 1202000142 in words is "one billion, two hundred two million, one hundred forty-two", and thus it is an aban number.