1203400041 has 4 divisors (see below), whose sum is σ = 1604533392. Its totient is φ = 802266692.

The previous prime is 1203400013. The next prime is 1203400073. The reversal of 1203400041 is 1400043021.

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 not a de Polignac number, because 1203400041 - 2²⁵ = 1169845609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1203400141) 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, 200566671 + ... + 200566676.

It is an arithmetic number, because the mean of its divisors is an integer number (401133348).

Almost surely, 2^1203400041 is an apocalyptic number.

It is an amenable number.

1203400041 is a deficient number, since it is larger than the sum of its proper divisors (401133351).

1203400041 is an equidigital number, since it uses as much as digits as its factorization.

1203400041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401133350.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1203400041 is about 34690.0568030668. The cubic root of 1203400041 is about 1063.6612568683.

Adding to 1203400041 its reverse (1400043021), we get a palindrome (2603443062).

The spelling of 1203400041 in words is "one billion, two hundred three million, four hundred thousand, forty-one".