1421503299 has 6 divisors (see below), whose sum is σ = 2053282556. Its totient is φ = 947668860.

The previous prime is 1421503249. The next prime is 1421503381. The reversal of 1421503299 is 9923051241.

1421503299 is a `hidden beast` number, since 142 + 1 + 503 + 2 + 9 + 9 = 666.

It is not a de Polignac number, because 1421503299 - 2⁸ = 1421503043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421503219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78972397 + ... + 78972414.

Almost surely, 2^1421503299 is an apocalyptic number.

1421503299 is a deficient number, since it is larger than the sum of its proper divisors (631779257).

1421503299 is a wasteful number, since it uses less digits than its factorization.

1421503299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157944817 (or 157944814 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1421503299 is about 37702.8287930760. The cubic root of 1421503299 is about 1124.3873665912.

The spelling of 1421503299 in words is "one billion, four hundred twenty-one million, five hundred three thousand, two hundred ninety-nine".