1201131463 has 20 divisors (see below), whose sum is σ = 1410942128. Its totient is φ = 1022414400.

The previous prime is 1201131439. The next prime is 1201131469. The reversal of 1201131463 is 3641311021.

It is not a de Polignac number, because 1201131463 - 2⁵ = 1201131431 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 (1201131469) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 360895 + ... + 364207.

Almost surely, 2^1201131463 is an apocalyptic number.

1201131463 is a deficient number, since it is larger than the sum of its proper divisors (209810665).

1201131463 is an frugal number, since it uses more digits than its factorization.

1201131463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492 (or 3471 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1201131463 is about 34657.3435652532. The cubic root of 1201131463 is about 1062.9924528367.

Adding to 1201131463 its reverse (3641311021), we get a palindrome (4842442484).

The spelling of 1201131463 in words is "one billion, two hundred one million, one hundred thirty-one thousand, four hundred sixty-three".