1201403431974 has 16 divisors (see below), whose sum is σ = 2429804694960. Its totient is φ = 395968172160.

The previous prime is 1201403431973. The next prime is 1201403432059. The reversal of 1201403431974 is 4791343041021.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201403431973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124909047 + ... + 1124910114.

It is an arithmetic number, because the mean of its divisors is an integer number (151862793435).

Almost surely, 2^{1201403431974} is an apocalyptic number.

1201403431974 is an abundant number, since it is smaller than the sum of its proper divisors (1228401262986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201403431974 is a wasteful number, since it uses less digits than its factorization.

1201403431974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249819255.

The product of its (nonzero) digits is 72576, while the sum is 39.

Adding to 1201403431974 its reverse (4791343041021), we get a palindrome (5992746472995).

The spelling of 1201403431974 in words is "one trillion, two hundred one billion, four hundred three million, four hundred thirty-one thousand, nine hundred seventy-four".