1214920 has 32 divisors (see below), whose sum is σ = 3124800. Its totient is φ = 416448.

The previous prime is 1214909. The next prime is 1214923. The reversal of 1214920 is 294121.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1214923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1890 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (97650).

2^1214920 is an apocalyptic number.

1214920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214920 is an abundant number, since it is smaller than the sum of its proper divisors (1909880).

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

1214920 is a wasteful number, since it uses less digits than its factorization.

1214920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357 (or 4353 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1214920 is about 1102.2340949181. The cubic root of 1214920 is about 106.7044570959.

It can be divided in two parts, 121 and 4920, that added together give a square (5041 = 71²).

The spelling of 1214920 in words is "one million, two hundred fourteen thousand, nine hundred twenty".