1245034141 has 4 divisors (see below), whose sum is σ = 1340806012. Its totient is φ = 1149262272.

The previous prime is 1245034139. The next prime is 1245034157. The reversal of 1245034141 is 1414305421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1414305421 = 881 ⋅1605341.

It can be written as a sum of positive squares in 2 ways, for example, as 185531641 + 1059502500 = 13621^2 + 32550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245034141 - 2¹ = 1245034139 is a prime.

It is a super-2 number, since 2×1245034141² = 3100220024511215762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245034111) 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 3 ways as a sum of consecutive naturals, for example, 47885916 + ... + 47885941.

It is an arithmetic number, because the mean of its divisors is an integer number (335201503).

Almost surely, 2^1245034141 is an apocalyptic number.

It is an amenable number.

1245034141 is a deficient number, since it is larger than the sum of its proper divisors (95771871).

1245034141 is an equidigital number, since it uses as much as digits as its factorization.

1245034141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95771870.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1245034141 is about 35285.0413206503. The cubic root of 1245034141 is about 1075.7889693268.

Adding to 1245034141 its reverse (1414305421), we get a palindrome (2659339562).

The spelling of 1245034141 in words is "one billion, two hundred forty-five million, thirty-four thousand, one hundred forty-one".