1420250273 has 8 divisors (see below), whose sum is σ = 1529826816. Its totient is φ = 1310720400.

The previous prime is 1420250257. The next prime is 1420250287. The reversal of 1420250273 is 3720520241.

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 1420250273 - 2⁴ = 1420250257 is a prime.

It is a super-2 number, since 2×1420250273² = 4034221675913149058, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1420250173) 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, 75968 + ... + 92798.

It is an arithmetic number, because the mean of its divisors is an integer number (191228352).

Almost surely, 2^1420250273 is an apocalyptic number.

1420250273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1420250273 is a deficient number, since it is larger than the sum of its proper divisors (109576543).

1420250273 is a wasteful number, since it uses less digits than its factorization.

1420250273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23335.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 1420250273 is about 37686.2079944374. The cubic root of 1420250273 is about 1124.0568946707.

The spelling of 1420250273 in words is "one billion, four hundred twenty million, two hundred fifty thousand, two hundred seventy-three".