1301198040 has 64 divisors (see below), whose sum is σ = 4337330400. Its totient is φ = 346985856.

The previous prime is 1301198011. The next prime is 1301198111. The reversal of 1301198040 is 408911031.

1301198040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1301197995 and 1301198013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601327 + ... + 603486.

Almost surely, 2^1301198040 is an apocalyptic number.

1301198040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301198040 is an abundant number, since it is smaller than the sum of its proper divisors (3036132360).

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

1301198040 is a wasteful number, since it uses less digits than its factorization.

1301198040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204833 (or 1204823 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1301198040 is about 36072.1227542821. The cubic root of 1301198040 is about 1091.7280448238.

The spelling of 1301198040 in words is "one billion, three hundred one million, one hundred ninety-eight thousand, forty".