1405342111 has 8 divisors (see below), whose sum is σ = 1503351360. Its totient is φ = 1309037568.

The previous prime is 1405342073. The next prime is 1405342151. The reversal of 1405342111 is 1112435041.

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 1405342111 - 2⁹ = 1405341599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405342151) 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, 424471 + ... + 427768.

It is an arithmetic number, because the mean of its divisors is an integer number (187918920).

Almost surely, 2^1405342111 is an apocalyptic number.

1405342111 is a deficient number, since it is larger than the sum of its proper divisors (98009249).

1405342111 is an equidigital number, since it uses as much as digits as its factorization.

1405342111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852353.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1405342111 is about 37487.8928588951. The cubic root of 1405342111 is about 1120.1100314412.

Adding to 1405342111 its reverse (1112435041), we get a palindrome (2517777152).

The spelling of 1405342111 in words is "one billion, four hundred five million, three hundred forty-two thousand, one hundred eleven".