1420400147 has 2 divisors, whose sum is σ = 1420400148. Its totient is φ = 1420400146.

The previous prime is 1420400117. The next prime is 1420400221. The reversal of 1420400147 is 7410040241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1420400147 - 2¹² = 1420396051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1420400117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710200073 + 710200074.

It is an arithmetic number, because the mean of its divisors is an integer number (710200074).

Almost surely, 2^1420400147 is an apocalyptic number.

1420400147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420400147 is an equidigital number, since it uses as much as digits as its factorization.

1420400147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 1420400147 is about 37688.1963882593. The cubic root of 1420400147 is about 1124.0964325326.

Adding to 1420400147 its reverse (7410040241), we get a palindrome (8830440388).

The spelling of 1420400147 in words is "one billion, four hundred twenty million, four hundred thousand, one hundred forty-seven".