1420042951 has 2 divisors, whose sum is σ = 1420042952. Its totient is φ = 1420042950.

The previous prime is 1420042937. The next prime is 1420043041. The reversal of 1420042951 is 1592400241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1420042951 - 2¹⁵ = 1420010183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420042051) 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 as a sum of consecutive naturals, namely, 710021475 + 710021476.

It is an arithmetic number, because the mean of its divisors is an integer number (710021476).

Almost surely, 2^1420042951 is an apocalyptic number.

1420042951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420042951 is an equidigital number, since it uses as much as digits as its factorization.

1420042951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1420042951 is about 37683.4572591210. The cubic root of 1420042951 is about 1124.0021970191.

The spelling of 1420042951 in words is "one billion, four hundred twenty million, forty-two thousand, nine hundred fifty-one".