1121414381 has 8 divisors (see below), whose sum is σ = 1182237504. Its totient is φ = 1061596800.

The previous prime is 1121414377. The next prime is 1121414431. The reversal of 1121414381 is 1834141211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121414381 - 2² = 1121414377 is a prime.

It is a super-2 number, since 2×1121414381² = 2515140427827226322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121414381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121414881) 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, 249095 + ... + 253556.

It is an arithmetic number, because the mean of its divisors is an integer number (147779688).

Almost surely, 2^1121414381 is an apocalyptic number.

It is an amenable number.

1121414381 is a deficient number, since it is larger than the sum of its proper divisors (60823123).

1121414381 is an equidigital number, since it uses as much as digits as its factorization.

1121414381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502771.

The product of its digits is 768, while the sum is 26.

The square root of 1121414381 is about 33487.5257521364. The cubic root of 1121414381 is about 1038.9357891598.

Adding to 1121414381 its reverse (1834141211), we get a palindrome (2955555592).

The spelling of 1121414381 in words is "one billion, one hundred twenty-one million, four hundred fourteen thousand, three hundred eighty-one".