1245323541 has 32 divisors (see below), whose sum is σ = 2126112768. Its totient is φ = 629432640.

The previous prime is 1245323533. The next prime is 1245323549. The reversal of 1245323541 is 1453235421.

It is an interprime number because it is at equal distance from previous prime (1245323533) and next prime (1245323549).

It is not a de Polignac number, because 1245323541 - 2³ = 1245323533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245323499 and 1245323508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245323549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64305 + ... + 81398.

It is an arithmetic number, because the mean of its divisors is an integer number (66441024).

Almost surely, 2^1245323541 is an apocalyptic number.

1245323541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1245323541 is a deficient number, since it is larger than the sum of its proper divisors (880789227).

1245323541 is a wasteful number, since it uses less digits than its factorization.

1245323541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145761.

The product of its digits is 14400, while the sum is 30.

The square root of 1245323541 is about 35289.1419703002. The cubic root of 1245323541 is about 1075.8723162268.

Adding to 1245323541 its reverse (1453235421), we get a palindrome (2698558962).

It can be divided in two parts, 1 and 245323541, that added together give a palindrome (245323542).

The spelling of 1245323541 in words is "one billion, two hundred forty-five million, three hundred twenty-three thousand, five hundred forty-one".