1207452040 has 32 divisors (see below), whose sum is σ = 2779951680. Its totient is φ = 471748032.

The previous prime is 1207451981. The next prime is 1207452041. The reversal of 1207452040 is 402547021.

1207452040 = 8965² + 8966² + ... + 8979².

It is a junction number, because it is equal to n+sod(n) for n = 1207451996 and 1207452014.

It is not an unprimeable number, because it can be changed into a prime (1207452041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349284 + ... + 352723.

It is an arithmetic number, because the mean of its divisors is an integer number (86873490).

Almost surely, 2^1207452040 is an apocalyptic number.

1207452040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1207452040 is an abundant number, since it is smaller than the sum of its proper divisors (1572499640).

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

1207452040 is a wasteful number, since it uses less digits than its factorization.

1207452040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702061 (or 702057 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 1207452040 is about 34748.4106111344. The cubic root of 1207452040 is about 1064.8537464382.

Adding to 1207452040 its reverse (402547021), we get a palindrome (1609999061).

The spelling of 1207452040 in words is "one billion, two hundred seven million, four hundred fifty-two thousand, forty".