1016421274 has 16 divisors (see below), whose sum is σ = 1666138176. Its totient is φ = 461203200.

The previous prime is 1016421253. The next prime is 1016421281. The reversal of 1016421274 is 4721246101.

It is a super-2 number, since 2×1016421274² = 2066224412479566152, which contains 22 as substring.

It is an unprimeable number.

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, 27342 + ... + 52729.

It is an arithmetic number, because the mean of its divisors is an integer number (104133636).

Almost surely, 2^1016421274 is an apocalyptic number.

1016421274 is a deficient number, since it is larger than the sum of its proper divisors (649716902).

1016421274 is a wasteful number, since it uses less digits than its factorization.

1016421274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80661.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1016421274 is about 31881.3624865689. The cubic root of 1016421274 is about 1005.4440663580. Note that the first 3 decimals are identical.

Adding to 1016421274 its reverse (4721246101), we get a palindrome (5737667375).

The spelling of 1016421274 in words is "one billion, sixteen million, four hundred twenty-one thousand, two hundred seventy-four".