1457470921 has 8 divisors (see below), whose sum is σ = 1523532800. Its totient is φ = 1392599520.

The previous prime is 1457470913. The next prime is 1457470933. The reversal of 1457470921 is 1290747541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1457470921 - 2³ = 1457470913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457470121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295116 + ... + 300013.

It is an arithmetic number, because the mean of its divisors is an integer number (190441600).

Almost surely, 2^1457470921 is an apocalyptic number.

It is an amenable number.

1457470921 is a deficient number, since it is larger than the sum of its proper divisors (66061879).

1457470921 is an equidigital number, since it uses as much as digits as its factorization.

1457470921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595239.

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

The square root of 1457470921 is about 38176.8374934331. The cubic root of 1457470921 is about 1133.7917682764.

The spelling of 1457470921 in words is "one billion, four hundred fifty-seven million, four hundred seventy thousand, nine hundred twenty-one".