1201403055 has 32 divisors (see below), whose sum is σ = 1936940544. Its totient is φ = 635872896.

The previous prime is 1201403009. The next prime is 1201403057. The reversal of 1201403055 is 5503041021.

It is not a de Polignac number, because 1201403055 - 2¹⁷ = 1201271983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201403057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1459374 + ... + 1460196.

It is an arithmetic number, because the mean of its divisors is an integer number (60529392).

Almost surely, 2^1201403055 is an apocalyptic number.

1201403055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1201403055 is a deficient number, since it is larger than the sum of its proper divisors (735537489).

1201403055 is a wasteful number, since it uses less digits than its factorization.

1201403055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1201403055 is about 34661.2615898498. The cubic root of 1201403055 is about 1063.0725657686.

Adding to 1201403055 its reverse (5503041021), we get a palindrome (6704444076).

The spelling of 1201403055 in words is "one billion, two hundred one million, four hundred three thousand, fifty-five".