1249489603 has 2 divisors, whose sum is σ = 1249489604. Its totient is φ = 1249489602.

The previous prime is 1249489573. The next prime is 1249489643. The reversal of 1249489603 is 3069849421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1249489603 - 2⁹ = 1249489091 is a prime.

It is a super-2 number, since 2×1249489603² = 3122448536010195218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1249489643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624744801 + 624744802.

It is an arithmetic number, because the mean of its divisors is an integer number (624744802).

Almost surely, 2^1249489603 is an apocalyptic number.

1249489603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249489603 is an equidigital number, since it uses as much as digits as its factorization.

1249489603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 1249489603 is about 35348.1202187613. The cubic root of 1249489603 is about 1077.0707094558.

The spelling of 1249489603 in words is "one billion, two hundred forty-nine million, four hundred eighty-nine thousand, six hundred three".