1202472013 has 4 divisors (see below), whose sum is σ = 1202542300. Its totient is φ = 1202401728.

The previous prime is 1202471971. The next prime is 1202472053. The reversal of 1202472013 is 3102742021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3102742021 = 23 ⋅134901827.

It can be written as a sum of positive squares in 2 ways, for example, as 1034458569 + 168013444 = 32163^2 + 12962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202472013 is a prime.

It is a super-3 number, since 3×1202472013³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202472053) 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, 9013 + ... + 49861.

It is an arithmetic number, because the mean of its divisors is an integer number (300635575).

Almost surely, 2^1202472013 is an apocalyptic number.

It is an amenable number.

1202472013 is a deficient number, since it is larger than the sum of its proper divisors (70287).

1202472013 is an equidigital number, since it uses as much as digits as its factorization.

1202472013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70286.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1202472013 is about 34676.6782290346. The cubic root of 1202472013 is about 1063.3877647496.

The spelling of 1202472013 in words is "one billion, two hundred two million, four hundred seventy-two thousand, thirteen".