1016126019 has 8 divisors (see below), whose sum is σ = 1505371920. Its totient is φ = 677417328.

The previous prime is 1016125951. The next prime is 1016126047. The reversal of 1016126019 is 9106216101.

It is not a de Polignac number, because 1016126019 - 2²⁵ = 982571587 is a prime.

It is a super-2 number, since 2×1016126019² = 2065024172977576722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 37634297 = 1016126019 / (1 + 0 + 1 + 6 + 1 + 2 + 6 + 0 + 1 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 1016125983 and 1016126001.

It is not an unprimeable number, because it can be changed into a prime (1016128019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18817122 + ... + 18817175.

It is an arithmetic number, because the mean of its divisors is an integer number (188171490).

Almost surely, 2^1016126019 is an apocalyptic number.

1016126019 is a deficient number, since it is larger than the sum of its proper divisors (489245901).

1016126019 is an equidigital number, since it uses as much as digits as its factorization.

1016126019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37634306 (or 37634300 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 1016126019 is about 31876.7316235526. The cubic root of 1016126019 is about 1005.3467015006.

The spelling of 1016126019 in words is "one billion, sixteen million, one hundred twenty-six thousand, nineteen".