1202142353 has 4 divisors (see below), whose sum is σ = 1202255028. Its totient is φ = 1202029680.

The previous prime is 1202142323. The next prime is 1202142367. The reversal of 1202142353 is 3532412021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3532412021 = 5119 ⋅690059.

It can be written as a sum of positive squares in 2 ways, for example, as 794788864 + 407353489 = 28192^2 + 20183^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202142353 - 2²² = 1197948049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202142323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38438 + ... + 62303.

It is an arithmetic number, because the mean of its divisors is an integer number (300563757).

Almost surely, 2^1202142353 is an apocalyptic number.

It is an amenable number.

1202142353 is a deficient number, since it is larger than the sum of its proper divisors (112675).

1202142353 is a wasteful number, since it uses less digits than its factorization.

1202142353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112674.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1202142353 is about 34671.9245644080. The cubic root of 1202142353 is about 1063.2905792720.

Adding to 1202142353 its reverse (3532412021), we get a palindrome (4734554374).

The spelling of 1202142353 in words is "one billion, two hundred two million, one hundred forty-two thousand, three hundred fifty-three".