1245114540 has 72 divisors (see below), whose sum is σ = 3822397488. Its totient is φ = 328026240.

The previous prime is 1245114529. The next prime is 1245114551. The reversal of 1245114540 is 454115421.

1245114540 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 114 + 540 = 666.

It is an interprime number because it is at equal distance from previous prime (1245114529) and next prime (1245114551).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26731 + ... + 56610.

It is an arithmetic number, because the mean of its divisors is an integer number (53088854).

Almost surely, 2^1245114540 is an apocalyptic number.

1245114540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245114540 is an abundant number, since it is smaller than the sum of its proper divisors (2577282948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245114540 is a wasteful number, since it uses less digits than its factorization.

1245114540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83439 (or 83434 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 1245114540 is about 35286.1805810717. The cubic root of 1245114540 is about 1075.8121254510.

Adding to 1245114540 its reverse (454115421), we get a palindrome (1699229961).

The spelling of 1245114540 in words is "one billion, two hundred forty-five million, one hundred fourteen thousand, five hundred forty".