1421751153 has 8 divisors (see below), whose sum is σ = 1895977600. Its totient is φ = 947679408.

The previous prime is 1421751119. The next prime is 1421751161. The reversal of 1421751153 is 3511571241.

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

It is not a de Polignac number, because 1421751153 - 2¹² = 1421747057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421751153.

It is not an unprimeable number, because it can be changed into a prime (1421751103) 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 7 ways as a sum of consecutive naturals, for example, 15193 + ... + 55446.

It is an arithmetic number, because the mean of its divisors is an integer number (236997200).

Almost surely, 2^1421751153 is an apocalyptic number.

It is an amenable number.

1421751153 is a deficient number, since it is larger than the sum of its proper divisors (474226447).

1421751153 is an equidigital number, since it uses as much as digits as its factorization.

1421751153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77351.

The product of its digits is 4200, while the sum is 30.

The square root of 1421751153 is about 37706.1155915058. The cubic root of 1421751153 is about 1124.4527123677.

The spelling of 1421751153 in words is "one billion, four hundred twenty-one million, seven hundred fifty-one thousand, one hundred fifty-three".