1201450315253 has 4 divisors (see below), whose sum is σ = 1201465516608. Its totient is φ = 1201435113900.

The previous prime is 1201450315229. The next prime is 1201450315277. The reversal of 1201450315253 is 3525130541021.

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.

It is an interprime number because it is at equal distance from previous prime (1201450315229) and next prime (1201450315277).

It is a cyclic number.

It is not a de Polignac number, because 1201450315253 - 2¹⁴ = 1201450298869 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 (1201450315213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7481501 + ... + 7640402.

It is an arithmetic number, because the mean of its divisors is an integer number (300366379152).

Almost surely, 2^{1201450315253} is an apocalyptic number.

It is an amenable number.

1201450315253 is a deficient number, since it is larger than the sum of its proper divisors (15201355).

1201450315253 is an equidigital number, since it uses as much as digits as its factorization.

1201450315253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15201354.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 1201450315253 its reverse (3525130541021), we get a palindrome (4726580856274).

The spelling of 1201450315253 in words is "one trillion, two hundred one billion, four hundred fifty million, three hundred fifteen thousand, two hundred fifty-three".