1105421052 has 24 divisors (see below), whose sum is σ = 2580350976. Its totient is φ = 368325808.

The previous prime is 1105421047. The next prime is 1105421071. The reversal of 1105421052 is 2501245011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15103 + ... + 49385.

It is an arithmetic number, because the mean of its divisors is an integer number (107514624).

Almost surely, 2^1105421052 is an apocalyptic number.

1105421052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1105421052 is an abundant number, since it is smaller than the sum of its proper divisors (1474929924).

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

1105421052 is a wasteful number, since it uses less digits than its factorization.

1105421052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36977 (or 36975 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1105421052 is about 33247.8728943672. The cubic root of 1105421052 is about 1033.9731083075.

Adding to 1105421052 its reverse (2501245011), we get a palindrome (3606666063).

The spelling of 1105421052 in words is "one billion, one hundred five million, four hundred twenty-one thousand, fifty-two".