1211402 has 16 divisors (see below), whose sum is σ = 1944000. Its totient is φ = 564480.

The previous prime is 1211393. The next prime is 1211407. The reversal of 1211402 is 2041121.

It is a super-3 number, since 3×1211402³ = 5333178427494890424, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211407) 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, 2474 + ... + 2922.

It is an arithmetic number, because the mean of its divisors is an integer number (121500).

2^1211402 is an apocalyptic number.

1211402 is a deficient number, since it is larger than the sum of its proper divisors (732598).

1211402 is a wasteful number, since it uses less digits than its factorization.

1211402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1211402 is about 1100.6370882357. The cubic root of 1211402 is about 106.6013641090.

Adding to 1211402 its reverse (2041121), we get a palindrome (3252523).

The spelling of 1211402 in words is "one million, two hundred eleven thousand, four hundred two".