1421148118 has 16 divisors (see below), whose sum is σ = 2344547520. Its totient is φ = 641958336.

The previous prime is 1421148023. The next prime is 1421148121. The reversal of 1421148118 is 8118411241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421148118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580263 + ... + 582706.

It is an arithmetic number, because the mean of its divisors is an integer number (146534220).

Almost surely, 2^1421148118 is an apocalyptic number.

1421148118 is a deficient number, since it is larger than the sum of its proper divisors (923399402).

1421148118 is a wasteful number, since it uses less digits than its factorization.

1421148118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163031.

The product of its digits is 2048, while the sum is 31.

The square root of 1421148118 is about 37698.1182288984. The cubic root of 1421148118 is about 1124.2937112110.

Adding to 1421148118 its reverse (8118411241), we get a palindrome (9539559359).

The spelling of 1421148118 in words is "one billion, four hundred twenty-one million, one hundred forty-eight thousand, one hundred eighteen".