1214748720 has 60 divisors (see below), whose sum is σ = 4079533536. Its totient is φ = 323932800.

The previous prime is 1214748713. The next prime is 1214748761. The reversal of 1214748720 is 278474121.

1214748720 is a `hidden beast` number, since 12 + 147 + 487 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×1214748720² = 2951228905483276800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842856 + ... + 844295.

Almost surely, 2^1214748720 is an apocalyptic number.

1214748720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214748720 is an abundant number, since it is smaller than the sum of its proper divisors (2864784816).

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

1214748720 is a wasteful number, since it uses less digits than its factorization.

1214748720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687170 (or 1687161 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 1214748720 is about 34853.2454729829. The cubic root of 1214748720 is about 1066.9944244522.

The spelling of 1214748720 in words is "one billion, two hundred fourteen million, seven hundred forty-eight thousand, seven hundred twenty".