1204214131 has 4 divisors (see below), whose sum is σ = 1224624600. Its totient is φ = 1183803664.

The previous prime is 1204214117. The next prime is 1204214147. The reversal of 1204214131 is 1314124021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1204214131 is a prime.

It is a super-2 number, since 2×1204214131² = 2900263346600170322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204214099 and 1204214108.

It is not an unprimeable number, because it can be changed into a prime (1204214101) 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, 10205146 + ... + 10205263.

It is an arithmetic number, because the mean of its divisors is an integer number (306156150).

Almost surely, 2^1204214131 is an apocalyptic number.

1204214131 is a deficient number, since it is larger than the sum of its proper divisors (20410469).

1204214131 is an equidigital number, since it uses as much as digits as its factorization.

1204214131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20410468.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1204214131 is about 34701.7885850283. The cubic root of 1204214131 is about 1063.9010554320.

Adding to 1204214131 its reverse (1314124021), we get a palindrome (2518338152).

The spelling of 1204214131 in words is "one billion, two hundred four million, two hundred fourteen thousand, one hundred thirty-one".