1011201340 has 24 divisors (see below), whose sum is σ = 2124627120. Its totient is φ = 404270208.

The previous prime is 1011201313. The next prime is 1011201353. The reversal of 1011201340 is 431021101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011201340.

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, 29679 + ... + 53881.

It is an arithmetic number, because the mean of its divisors is an integer number (88526130).

Almost surely, 2^1011201340 is an apocalyptic number.

1011201340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011201340 is an abundant number, since it is smaller than the sum of its proper divisors (1113425780).

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

1011201340 is a wasteful number, since it uses less digits than its factorization.

1011201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26301 (or 26299 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1011201340 is about 31799.3921325550. The cubic root of 1011201340 is about 1003.7199249994.

Adding to 1011201340 its reverse (431021101), we get a palindrome (1442222441).

The spelling of 1011201340 in words is "one billion, eleven million, two hundred one thousand, three hundred forty".