1201163454 has 24 divisors (see below), whose sum is σ = 2715674832. Its totient is φ = 382979520.

The previous prime is 1201163437. The next prime is 1201163459. The reversal of 1201163454 is 4543611021.

It is a happy number.

1201163454 is a `hidden beast` number, since 1 + 20 + 1 + 1 + 634 + 5 + 4 = 666.

1201163454 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201163459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1450267 + ... + 1451094.

It is an arithmetic number, because the mean of its divisors is an integer number (113153118).

Almost surely, 2^1201163454 is an apocalyptic number.

1201163454 is an abundant number, since it is smaller than the sum of its proper divisors (1514511378).

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

1201163454 is a wasteful number, since it uses less digits than its factorization.

1201163454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901392 (or 2901389 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1201163454 is about 34657.8050949566. The cubic root of 1201163454 is about 1063.0018900190.

Adding to 1201163454 its reverse (4543611021), we get a palindrome (5744774475).

The spelling of 1201163454 in words is "one billion, two hundred one million, one hundred sixty-three thousand, four hundred fifty-four".