1204536101 has 4 divisors (see below), whose sum is σ = 1204649472. Its totient is φ = 1204422732.

The previous prime is 1204536041. The next prime is 1204536121. The reversal of 1204536101 is 1016354021.

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: 1016354021 = 67 ⋅15169463.

It is a cyclic number.

It is not a de Polignac number, because 1204536101 - 2²⁶ = 1137427237 is a prime.

It is a super-2 number, since 2×1204536101² = 2901814437224564402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204536121) 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, 38885 + ... + 62618.

It is an arithmetic number, because the mean of its divisors is an integer number (301162368).

Almost surely, 2^1204536101 is an apocalyptic number.

It is an amenable number.

1204536101 is a deficient number, since it is larger than the sum of its proper divisors (113371).

1204536101 is a wasteful number, since it uses less digits than its factorization.

1204536101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113370.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1204536101 is about 34706.4273730386. The cubic root of 1204536101 is about 1063.9958651756.

The spelling of 1204536101 in words is "one billion, two hundred four million, five hundred thirty-six thousand, one hundred one".