1202140151 has 4 divisors (see below), whose sum is σ = 1209089112. Its totient is φ = 1195191192.

The previous prime is 1202140111. The next prime is 1202140157. The reversal of 1202140151 is 1510412021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1510412021 = 67 ⋅22543463.

It is a cyclic number.

It is not a de Polignac number, because 1202140151 - 2³⁰ = 128398327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202140157) 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, 3474221 + ... + 3474566.

It is an arithmetic number, because the mean of its divisors is an integer number (302272278).

Almost surely, 2^1202140151 is an apocalyptic number.

1202140151 is a deficient number, since it is larger than the sum of its proper divisors (6948961).

1202140151 is an equidigital number, since it uses as much as digits as its factorization.

1202140151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948960.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1202140151 is about 34671.8928095943. The cubic root of 1202140151 is about 1063.2899300512.

Adding to 1202140151 its reverse (1510412021), we get a palindrome (2712552172).

The spelling of 1202140151 in words is "one billion, two hundred two million, one hundred forty thousand, one hundred fifty-one".