1219044530 has 16 divisors (see below), whose sum is σ = 2393760384. Its totient is φ = 443288880.

The previous prime is 1219044529. The next prime is 1219044553. The reversal of 1219044530 is 354409121.

It is a super-2 number, since 2×1219044530² = 2972139132245841800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1219044493 and 1219044502.

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, 5541002 + ... + 5541221.

It is an arithmetic number, because the mean of its divisors is an integer number (149610024).

Almost surely, 2^1219044530 is an apocalyptic number.

1219044530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1219044530 is a deficient number, since it is larger than the sum of its proper divisors (1174715854).

1219044530 is a wasteful number, since it uses less digits than its factorization.

1219044530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11082241.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1219044530 is about 34914.8182008728. The cubic root of 1219044530 is about 1068.2507097272.

The spelling of 1219044530 in words is "one billion, two hundred nineteen million, forty-four thousand, five hundred thirty".