1253340100 has 36 divisors (see below), whose sum is σ = 2734981200. Its totient is φ = 498528160.

The previous prime is 1253340091. The next prime is 1253340107. The reversal of 1253340100 is 10433521.

It is a super-2 number, since 2×1253340100² = 3141722812536020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1253340107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17110 + ... + 52909.

It is an arithmetic number, because the mean of its divisors is an integer number (75971700).

Almost surely, 2^1253340100 is an apocalyptic number.

1253340100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253340100 is an abundant number, since it is smaller than the sum of its proper divisors (1481641100).

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

1253340100 is a wasteful number, since it uses less digits than its factorization.

1253340100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70212 (or 70205 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1253340100 is about 35402.5436939212. The cubic root of 1253340100 is about 1078.1759619963.

Adding to 1253340100 its reverse (10433521), we get a palindrome (1263773621).

The spelling of 1253340100 in words is "one billion, two hundred fifty-three million, three hundred forty thousand, one hundred".