1420951 has 12 divisors (see below), whose sum is σ = 1690848. Its totient is φ = 1190112.

The previous prime is 1420949. The next prime is 1420967. The reversal of 1420951 is 1590241.

It is not a de Polignac number, because 1420951 - 2¹ = 1420949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1995 + ... + 2611.

It is an arithmetic number, because the mean of its divisors is an integer number (140904).

2^1420951 is an apocalyptic number.

1420951 is a deficient number, since it is larger than the sum of its proper divisors (269897).

1420951 is an equidigital number, since it uses as much as digits as its factorization.

1420951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1420951 is about 1192.0364927300. The cubic root of 1420951 is about 112.4241727707.

The spelling of 1420951 in words is "one million, four hundred twenty thousand, nine hundred fifty-one".