1397499103 has 16 divisors (see below), whose sum is σ = 1876363776. Its totient is φ = 1005193440.

The previous prime is 1397499091. The next prime is 1397499107. The reversal of 1397499103 is 3019947931.

It is a cyclic number.

It is not a de Polignac number, because 1397499103 - 2⁹ = 1397498591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397499107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697051 + ... + 699052.

It is an arithmetic number, because the mean of its divisors is an integer number (117272736).

Almost surely, 2^1397499103 is an apocalyptic number.

1397499103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1397499103 is a deficient number, since it is larger than the sum of its proper divisors (478864673).

1397499103 is a wasteful number, since it uses less digits than its factorization.

1397499103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396134.

The product of its (nonzero) digits is 183708, while the sum is 46.

The square root of 1397499103 is about 37383.1392876521. The cubic root of 1397499103 is about 1118.0224198469.

It can be divided in two parts, 1397 and 499103, that added together give a triangular number (500500 = T₁₀₀₀).

The spelling of 1397499103 in words is "one billion, three hundred ninety-seven million, four hundred ninety-nine thousand, one hundred three".