1203740273 has 4 divisors (see below), whose sum is σ = 1206340608. Its totient is φ = 1201139940.

The previous prime is 1203740227. The next prime is 1203740281. The reversal of 1203740273 is 3720473021.

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: 3720473021 = 61 ⋅60991361.

It is a cyclic number.

It is not a de Polignac number, because 1203740273 - 2⁸ = 1203740017 is a prime.

It is a super-2 number, since 2×1203740273² = 2897981289684229058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203740173) 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, 1299473 + ... + 1300398.

It is an arithmetic number, because the mean of its divisors is an integer number (301585152).

Almost surely, 2^1203740273 is an apocalyptic number.

It is an amenable number.

1203740273 is a deficient number, since it is larger than the sum of its proper divisors (2600335).

1203740273 is an equidigital number, since it uses as much as digits as its factorization.

1203740273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600334.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 1203740273 is about 34694.9603400840. The cubic root of 1203740273 is about 1063.7614888456.

The spelling of 1203740273 in words is "one billion, two hundred three million, seven hundred forty thousand, two hundred seventy-three".