1204473540 has 24 divisors (see below), whose sum is σ = 3372526080. Its totient is φ = 321192928.

The previous prime is 1204473533. The next prime is 1204473547. The reversal of 1204473540 is 453744021.

It is an interprime number because it is at equal distance from previous prime (1204473533) and next prime (1204473547).

It is a super-3 number, since 3×1204473540³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1204473498 and 1204473507.

It is not an unprimeable number, because it can be changed into a prime (1204473547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10037220 + ... + 10037339.

It is an arithmetic number, because the mean of its divisors is an integer number (140521920).

Almost surely, 2^1204473540 is an apocalyptic number.

1204473540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204473540 is an abundant number, since it is smaller than the sum of its proper divisors (2168052540).

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

1204473540 is a wasteful number, since it uses less digits than its factorization.

1204473540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20074571 (or 20074569 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 1204473540 is about 34705.5260729469. The cubic root of 1204473540 is about 1063.9774443086.

The spelling of 1204473540 in words is "one billion, two hundred four million, four hundred seventy-three thousand, five hundred forty".