1201403057 has 2 divisors, whose sum is σ = 1201403058. Its totient is φ = 1201403056.

The previous prime is 1201403009. The next prime is 1201403081. The reversal of 1201403057 is 7503041021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097994496 + 103408561 = 33136^2 + 10169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201403057 - 2¹⁴ = 1201386673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201403087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600701528 + 600701529.

It is an arithmetic number, because the mean of its divisors is an integer number (600701529).

Almost surely, 2^1201403057 is an apocalyptic number.

It is an amenable number.

1201403057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201403057 is an equidigital number, since it uses as much as digits as its factorization.

1201403057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1201403057 is about 34661.2616187005. The cubic root of 1201403057 is about 1063.0725663585.

Adding to 1201403057 its reverse (7503041021), we get a palindrome (8704444078).

The spelling of 1201403057 in words is "one billion, two hundred one million, four hundred three thousand, fifty-seven".