1211469480 has 128 divisors (see below), whose sum is σ = 4348915200. Its totient is φ = 298204416.

The previous prime is 1211469463. The next prime is 1211469499. The reversal of 1211469480 is 849641121.

1211469480 is a `hidden beast` number, since 1 + 2 + 114 + 69 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29104 + ... + 57183.

It is an arithmetic number, because the mean of its divisors is an integer number (33975900).

Almost surely, 2^1211469480 is an apocalyptic number.

1211469480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1211469480 is an abundant number, since it is smaller than the sum of its proper divisors (3137445720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211469480 is a wasteful number, since it uses less digits than its factorization.

1211469480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86320 (or 86310 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1211469480 is about 34806.1701426629. The cubic root of 1211469480 is about 1066.0334344827.

The spelling of 1211469480 in words is "one billion, two hundred eleven million, four hundred sixty-nine thousand, four hundred eighty".