1211430 has 32 divisors (see below), whose sum is σ = 3172608. Its totient is φ = 293600.

The previous prime is 1211423. The next prime is 1211443. The reversal of 1211430 is 341121.

It is a happy number.

It is a super-3 number, since 3×1211430³ = 5333548244733621000, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1506 + ... + 2165.

It is an arithmetic number, because the mean of its divisors is an integer number (99144).

2^1211430 is an apocalyptic number.

1211430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211430 is an abundant number, since it is smaller than the sum of its proper divisors (1961178).

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

1211430 is a wasteful number, since it uses less digits than its factorization.

1211430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1211430 is about 1100.6498080679. The cubic root of 1211430 is about 106.6021854205.

Adding to 1211430 its reverse (341121), we get a palindrome (1552551).

It can be divided in two parts, 121 and 1430, that added together give a palindrome (1551).

The spelling of 1211430 in words is "one million, two hundred eleven thousand, four hundred thirty".