1121413340 has 48 divisors (see below), whose sum is σ = 2413968480. Its totient is φ = 437364480.

The previous prime is 1121413309. The next prime is 1121413351. The reversal of 1121413340 is 433141211.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 911846 + ... + 913074.

It is an arithmetic number, because the mean of its divisors is an integer number (50291010).

Almost surely, 2^1121413340 is an apocalyptic number.

1121413340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121413340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206984240).

1121413340 is an abundant number, since it is smaller than the sum of its proper divisors (1292555140).

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

1121413340 is a wasteful number, since it uses less digits than its factorization.

1121413340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342 (or 2340 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1121413340 is about 33487.5102090317. The cubic root of 1121413340 is about 1038.9354676811.

Adding to 1121413340 its reverse (433141211), we get a palindrome (1554554551).

The spelling of 1121413340 in words is "one billion, one hundred twenty-one million, four hundred thirteen thousand, three hundred forty".