1235340001 has 4 divisors (see below), whose sum is σ = 1411817152. Its totient is φ = 1058862852.

The previous prime is 1235339993. The next prime is 1235340011. The reversal of 1235340001 is 1000435321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1000435321 = 16141 ⋅61981.

It is a cyclic number.

It is not a de Polignac number, because 1235340001 - 2³ = 1235339993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1235340011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88238565 + ... + 88238578.

It is an arithmetic number, because the mean of its divisors is an integer number (352954288).

Almost surely, 2^1235340001 is an apocalyptic number.

It is an amenable number.

1235340001 is a deficient number, since it is larger than the sum of its proper divisors (176477151).

1235340001 is an equidigital number, since it uses as much as digits as its factorization.

1235340001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176477150.

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

The square root of 1235340001 is about 35147.4039012841. The cubic root of 1235340001 is about 1072.9895725288.

Adding to 1235340001 its reverse (1000435321), we get a palindrome (2235775322).

The spelling of 1235340001 in words is "one billion, two hundred thirty-five million, three hundred forty thousand, one".