1245461053 has 4 divisors (see below), whose sum is σ = 1285637248. Its totient is φ = 1205284860.

The previous prime is 1245461047. The next prime is 1245461069. The reversal of 1245461053 is 3501645421.

It is a happy number.

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: 3501645421 = 9431 ⋅371291.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245461053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 40176163 = 1245461053 / (1 + 2 + 4 + 5 + 4 + 6 + 1 + 0 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245461353) 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, 20088051 + ... + 20088112.

It is an arithmetic number, because the mean of its divisors is an integer number (321409312).

Almost surely, 2^1245461053 is an apocalyptic number.

It is an amenable number.

1245461053 is a deficient number, since it is larger than the sum of its proper divisors (40176195).

1245461053 is an equidigital number, since it uses as much as digits as its factorization.

1245461053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40176194.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1245461053 is about 35291.0902778591. The cubic root of 1245461053 is about 1075.9119150149.

The spelling of 1245461053 in words is "one billion, two hundred forty-five million, four hundred sixty-one thousand, fifty-three".