1420429971 has 8 divisors (see below), whose sum is σ = 1906449664. Its totient is φ = 940681800.

The previous prime is 1420429939. The next prime is 1420429981. The reversal of 1420429971 is 1799240241.

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

It is not a de Polignac number, because 1420429971 - 2⁵ = 1420429939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420429931) 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 7 ways as a sum of consecutive naturals, for example, 1567351 + ... + 1568256.

It is an arithmetic number, because the mean of its divisors is an integer number (238306208).

Almost surely, 2^1420429971 is an apocalyptic number.

1420429971 is a deficient number, since it is larger than the sum of its proper divisors (486019693).

1420429971 is a wasteful number, since it uses less digits than its factorization.

1420429971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135761.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1420429971 is about 37688.5920538298. The cubic root of 1420429971 is about 1124.1042999911.

The spelling of 1420429971 in words is "one billion, four hundred twenty million, four hundred twenty-nine thousand, nine hundred seventy-one".