1228710 has 32 divisors (see below), whose sum is σ = 3370752. Its totient is φ = 280800.

The previous prime is 1228693. The next prime is 1228741. The reversal of 1228710 is 178221.

1228710 = T₅₈₉ + T₅₉₀ + ... + T₅₉₅.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2716 + ... + 3135.

It is an arithmetic number, because the mean of its divisors is an integer number (105336).

2^1228710 is an apocalyptic number.

1228710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1228710 is an abundant number, since it is smaller than the sum of its proper divisors (2142042).

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

1228710 is a wasteful number, since it uses less digits than its factorization.

1228710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1228710 is about 1108.4719211599. The cubic root of 1228710 is about 107.1066569768.

The spelling of 1228710 in words is "one million, two hundred twenty-eight thousand, seven hundred ten".