1214972460 has 240 divisors, whose sum is σ = 4239282432. Its totient is φ = 289267200.

The previous prime is 1214972443. The next prime is 1214972501. The reversal of 1214972460 is 642794121.

It is a happy number.

1214972460 is a `hidden beast` number, since 121 + 4 + 9 + 72 + 460 = 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 (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 651930 + ... + 653790.

Almost surely, 2^1214972460 is an apocalyptic number.

1214972460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214972460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2119641216).

1214972460 is an abundant number, since it is smaller than the sum of its proper divisors (3024309972).

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

1214972460 is a wasteful number, since it uses less digits than its factorization.

1214972460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1214972460 is about 34856.4550693268. The cubic root of 1214972460 is about 1067.0599289946.

The spelling of 1214972460 in words is "one billion, two hundred fourteen million, nine hundred seventy-two thousand, four hundred sixty".