1245152041 has 4 divisors (see below), whose sum is σ = 1423030912. Its totient is φ = 1067273172.

The previous prime is 1245152039. The next prime is 1245152071. The reversal of 1245152041 is 1402515421.

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 not a de Polignac number, because 1245152041 - 2¹ = 1245152039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1245151997 and 1245152015.

It is not an unprimeable number, because it can be changed into a prime (1245152071) 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, 88939425 + ... + 88939438.

It is an arithmetic number, because the mean of its divisors is an integer number (355757728).

Almost surely, 2^1245152041 is an apocalyptic number.

It is an amenable number.

1245152041 is a deficient number, since it is larger than the sum of its proper divisors (177878871).

1245152041 is an equidigital number, since it uses as much as digits as its factorization.

1245152041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177878870.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1245152041 is about 35286.7119607367. The cubic root of 1245152041 is about 1075.8229259635.

Adding to 1245152041 its reverse (1402515421), we get a palindrome (2647667462).

The spelling of 1245152041 in words is "one billion, two hundred forty-five million, one hundred fifty-two thousand, forty-one".