1420141947 has 16 divisors (see below), whose sum is σ = 2277922560. Its totient is φ = 768798432.

The previous prime is 1420141907. The next prime is 1420141963. The reversal of 1420141947 is 7491410241.

It is not a de Polignac number, because 1420141947 - 2¹⁸ = 1419879803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420141907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1779228 + ... + 1780025.

It is an arithmetic number, because the mean of its divisors is an integer number (142370160).

Almost surely, 2^1420141947 is an apocalyptic number.

1420141947 is a deficient number, since it is larger than the sum of its proper divisors (857780613).

1420141947 is a wasteful number, since it uses less digits than its factorization.

1420141947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559282.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1420141947 is about 37684.7707568986. The cubic root of 1420141947 is about 1124.0283157446.

The spelling of 1420141947 in words is "one billion, four hundred twenty million, one hundred forty-one thousand, nine hundred forty-seven".