1201006154 has 16 divisors (see below), whose sum is σ = 1866220800. Its totient is φ = 579070080.

The previous prime is 1201006141. The next prime is 1201006159. The reversal of 1201006154 is 4516001021.

It is not an unprimeable number, because it can be changed into a prime (1201006159) 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, 16679 + ... + 51770.

It is an arithmetic number, because the mean of its divisors is an integer number (116638800).

Almost surely, 2^1201006154 is an apocalyptic number.

1201006154 is a deficient number, since it is larger than the sum of its proper divisors (665214646).

1201006154 is a wasteful number, since it uses less digits than its factorization.

1201006154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68765.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1201006154 is about 34655.5356905646. The cubic root of 1201006154 is about 1062.9554857054.

Adding to 1201006154 its reverse (4516001021), we get a palindrome (5717007175).

The spelling of 1201006154 in words is "one billion, two hundred one million, six thousand, one hundred fifty-four".