1421146798 has 8 divisors (see below), whose sum is σ = 2205227880. Its totient is φ = 686070840.

The previous prime is 1421146789. The next prime is 1421146799. The reversal of 1421146798 is 8976411241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421146799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12251208 + ... + 12251323.

It is an arithmetic number, because the mean of its divisors is an integer number (275653485).

Almost surely, 2^1421146798 is an apocalyptic number.

1421146798 is a deficient number, since it is larger than the sum of its proper divisors (784081082).

1421146798 is a wasteful number, since it uses less digits than its factorization.

1421146798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24502562.

The product of its digits is 96768, while the sum is 43.

The square root of 1421146798 is about 37698.1007213891. The cubic root of 1421146798 is about 1124.2933631197.

It can be divided in two parts, 14211 and 46798, that added together give a square (61009 = 247²).

The spelling of 1421146798 in words is "one billion, four hundred twenty-one million, one hundred forty-six thousand, seven hundred ninety-eight".