1202512142 has 16 divisors (see below), whose sum is σ = 1957353552. Its totient is φ = 550767360.

The previous prime is 1202512139. The next prime is 1202512159. The reversal of 1202512142 is 2412152021.

It is a congruent number.

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, 173123 + ... + 179934.

It is an arithmetic number, because the mean of its divisors is an integer number (122334597).

Almost surely, 2^1202512142 is an apocalyptic number.

1202512142 is a deficient number, since it is larger than the sum of its proper divisors (754841410).

1202512142 is a wasteful number, since it uses less digits than its factorization.

1202512142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353203.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1202512142 is about 34677.2568407595. The cubic root of 1202512142 is about 1063.3995937741.

Adding to 1202512142 its reverse (2412152021), we get a palindrome (3614664163).

The spelling of 1202512142 in words is "one billion, two hundred two million, five hundred twelve thousand, one hundred forty-two".