1420101147 has 6 divisors (see below), whose sum is σ = 1893555228. Its totient is φ = 946690584.

The previous prime is 1420101143. The next prime is 1420101191. The reversal of 1420101147 is 7411010241.

It is not a de Polignac number, because 1420101147 - 2² = 1420101143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420101143) 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 5 ways as a sum of consecutive naturals, for example, 54393 + ... + 76149.

It is an arithmetic number, because the mean of its divisors is an integer number (315592538).

Almost surely, 2^1420101147 is an apocalyptic number.

1420101147 is a deficient number, since it is larger than the sum of its proper divisors (473454081).

1420101147 is an frugal number, since it uses more digits than its factorization.

1420101147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43517 (or 21760 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1420101147 is about 37684.2294202761. The cubic root of 1420101147 is about 1124.0175513759.

Adding to 1420101147 its reverse (7411010241), we get a palindrome (8831111388).

The spelling of 1420101147 in words is "one billion, four hundred twenty million, one hundred one thousand, one hundred forty-seven".