1421907475 has 6 divisors (see below), whose sum is σ = 1763165300. Its totient is φ = 1137525960.

The previous prime is 1421907467. The next prime is 1421907533. The reversal of 1421907475 is 5747091241.

It is not a de Polignac number, because 1421907475 - 2³ = 1421907467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28438125 + ... + 28438174.

Almost surely, 2^1421907475 is an apocalyptic number.

1421907475 is a deficient number, since it is larger than the sum of its proper divisors (341257825).

1421907475 is an equidigital number, since it uses as much as digits as its factorization.

1421907475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56876309 (or 56876304 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 1421907475 is about 37708.1884343441. The cubic root of 1421907475 is about 1124.4939221708.

The spelling of 1421907475 in words is "one billion, four hundred twenty-one million, nine hundred seven thousand, four hundred seventy-five".