1401553103 has 2 divisors, whose sum is σ = 1401553104. Its totient is φ = 1401553102.

The previous prime is 1401553079. The next prime is 1401553123. The reversal of 1401553103 is 3013551041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401553103 - 2⁶ = 1401553039 is a prime.

It is a super-2 number, since 2×1401553103² = 3928702201057857218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401553123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700776551 + 700776552.

It is an arithmetic number, because the mean of its divisors is an integer number (700776552).

Almost surely, 2^1401553103 is an apocalyptic number.

1401553103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401553103 is an equidigital number, since it uses as much as digits as its factorization.

1401553103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1401553103 is about 37437.3223267904. The cubic root of 1401553103 is about 1119.1024651924.

The spelling of 1401553103 in words is "one billion, four hundred one million, five hundred fifty-three thousand, one hundred three".