1203081401 has 4 divisors (see below), whose sum is σ = 1255389312. Its totient is φ = 1150773492.

The previous prime is 1203081389. The next prime is 1203081421. The reversal of 1203081401 is 1041803021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1041803021 = 7 ⋅148829003.

It is a cyclic number.

It is not a de Polignac number, because 1203081401 - 2¹⁸ = 1202819257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1203081421) 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, 26153921 + ... + 26153966.

It is an arithmetic number, because the mean of its divisors is an integer number (313847328).

Almost surely, 2^1203081401 is an apocalyptic number.

It is an amenable number.

1203081401 is a deficient number, since it is larger than the sum of its proper divisors (52307911).

1203081401 is an equidigital number, since it uses as much as digits as its factorization.

1203081401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52307910.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1203081401 is about 34685.4638285262. The cubic root of 1203081401 is about 1063.5673687376.

Adding to 1203081401 its reverse (1041803021), we get a palindrome (2244884422).

The spelling of 1203081401 in words is "one billion, two hundred three million, eighty-one thousand, four hundred one".