1121402 has 4 divisors (see below), whose sum is σ = 1682106. Its totient is φ = 560700.

The previous prime is 1121389. The next prime is 1121423. The reversal of 1121402 is 2041211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2041211 = 709 ⋅2879.

It can be written as a sum of positive squares in only one way, i.e., 1042441 + 78961 = 1021^2 + 281^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280349 + ... + 280352.

2^1121402 is an apocalyptic number.

1121402 is a deficient number, since it is larger than the sum of its proper divisors (560704).

1121402 is an equidigital number, since it uses as much as digits as its factorization.

1121402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560703.

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

The square root of 1121402 is about 1058.9627000041. The cubic root of 1121402 is about 103.8931965681.

Adding to 1121402 its reverse (2041211), we get a palindrome (3162613).

The spelling of 1121402 in words is "one million, one hundred twenty-one thousand, four hundred two".