1237243045 has 8 divisors (see below), whose sum is σ = 1562833440. Its totient is φ = 937699920.

The previous prime is 1237243043. The next prime is 1237243061. The reversal of 1237243045 is 5403427321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1237243045 - 2¹ = 1237243043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1237242998 and 1237243016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1237243043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6511711 + ... + 6511900.

It is an arithmetic number, because the mean of its divisors is an integer number (195354180).

Almost surely, 2^1237243045 is an apocalyptic number.

It is an amenable number.

1237243045 is a deficient number, since it is larger than the sum of its proper divisors (325590395).

1237243045 is a wasteful number, since it uses less digits than its factorization.

1237243045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13023635.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 1237243045 is about 35174.4658097319. The cubic root of 1237243045 is about 1073.5402707770.

The spelling of 1237243045 in words is "one billion, two hundred thirty-seven million, two hundred forty-three thousand, forty-five".