1202400133 has 4 divisors (see below), whose sum is σ = 1311709248. Its totient is φ = 1093091020.

The previous prime is 1202400127. The next prime is 1202400149. The reversal of 1202400133 is 3310042021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202400133 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 (1202400103) 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, 54654541 + ... + 54654562.

It is an arithmetic number, because the mean of its divisors is an integer number (327927312).

Almost surely, 2^1202400133 is an apocalyptic number.

It is an amenable number.

1202400133 is a deficient number, since it is larger than the sum of its proper divisors (109309115).

1202400133 is a wasteful number, since it uses less digits than its factorization.

1202400133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109309114.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1202400133 is about 34675.6417820925. The cubic root of 1202400133 is about 1063.3665756672.

Adding to 1202400133 its reverse (3310042021), we get a palindrome (4512442154).

The spelling of 1202400133 in words is "one billion, two hundred two million, four hundred thousand, one hundred thirty-three".