1201563454 has 16 divisors (see below), whose sum is σ = 2218271328. Its totient is φ = 475343712.

The previous prime is 1201563449. The next prime is 1201563487. The reversal of 1201563454 is 4543651021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3300817 + ... + 3301180.

It is an arithmetic number, because the mean of its divisors is an integer number (138641958).

Almost surely, 2^1201563454 is an apocalyptic number.

1201563454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1201563454 is a deficient number, since it is larger than the sum of its proper divisors (1016707874).

1201563454 is a wasteful number, since it uses less digits than its factorization.

1201563454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602019.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1201563454 is about 34663.5753205003. The cubic root of 1201563454 is about 1063.1198738411.

The spelling of 1201563454 in words is "one billion, two hundred one million, five hundred sixty-three thousand, four hundred fifty-four".