1202140431 has 24 divisors (see below), whose sum is σ = 1935339120. Its totient is φ = 714583296.

The previous prime is 1202140427. The next prime is 1202140447. The reversal of 1202140431 is 1340412021.

1202140431 is a `hidden beast` number, since 1 + 20 + 214 + 0 + 431 = 666.

It is not a de Polignac number, because 1202140431 - 2² = 1202140427 is a prime.

It is a super-2 number, since 2×1202140431² = 2890283231689731522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202140631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203860 + ... + 209673.

It is an arithmetic number, because the mean of its divisors is an integer number (80639130).

Almost surely, 2^1202140431 is an apocalyptic number.

1202140431 is a deficient number, since it is larger than the sum of its proper divisors (733198689).

1202140431 is a wasteful number, since it uses less digits than its factorization.

1202140431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413575 (or 413572 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1202140431 is about 34671.8968474469. The cubic root of 1202140431 is about 1063.2900126043.

Adding to 1202140431 its reverse (1340412021), we get a palindrome (2542552452).

The spelling of 1202140431 in words is "one billion, two hundred two million, one hundred forty thousand, four hundred thirty-one".