1227450 has 72 divisors (see below), whose sum is σ = 3562272. Its totient is φ = 278880.

The previous prime is 1227437. The next prime is 1227463. The reversal of 1227450 is 547221.

1227450 = T₁₀₄ + T₁₀₅ + ... + T₂₀₃.

It is an interprime number because it is at equal distance from previous prime (1227437) and next prime (1227463).

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7267 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (49476).

2^1227450 is an apocalyptic number.

1227450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1227450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1781136).

1227450 is an abundant number, since it is smaller than the sum of its proper divisors (2334822).

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

1227450 is a wasteful number, since it uses less digits than its factorization.

1227450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1227450 is about 1107.9034253941. The cubic root of 1227450 is about 107.0700330530.

The spelling of 1227450 in words is "one million, two hundred twenty-seven thousand, four hundred fifty".