1219472475 has 192 divisors, whose sum is σ = 2474841600. Its totient is φ = 523837440.

The previous prime is 1219472431. The next prime is 1219472479. The reversal of 1219472475 is 5742749121.

It is not a de Polignac number, because 1219472475 - 2⁷ = 1219472347 is a prime.

It is a super-2 number, since 2×1219472475² = 2974226234565251250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1219472479) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 20668996 + ... + 20669054.

It is an arithmetic number, because the mean of its divisors is an integer number (12889800).

Almost surely, 2^1219472475 is an apocalyptic number.

1219472475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1219472475 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1219472475 is a wasteful number, since it uses less digits than its factorization.

1219472475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 169 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 1219472475 is about 34920.9460782494. The cubic root of 1219472475 is about 1068.3756980698.

The spelling of 1219472475 in words is "one billion, two hundred nineteen million, four hundred seventy-two thousand, four hundred seventy-five".