1214928 has 120 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 334080.

The previous prime is 1214923. The next prime is 1214933. The reversal of 1214928 is 8294121.

It is an interprime number because it is at equal distance from previous prime (1214923) and next prime (1214933).

It is a nude number because it is divisible by every one of its digits.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 20563 + ... + 20621.

It is an arithmetic number, because the mean of its divisors is an integer number (33852).

2^1214928 is an apocalyptic number.

1214928 is a gapful number since it is divisible by the number (18) 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 1214928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031120).

1214928 is an abundant number, since it is smaller than the sum of its proper divisors (2847312).

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

1214928 is a wasteful number, since it uses less digits than its factorization.

1214928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 88 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1214928 is about 1102.2377239053. The cubic root of 1214928 is about 106.7046913044.

The spelling of 1214928 in words is "one million, two hundred fourteen thousand, nine hundred twenty-eight".