1154420102 has 48 divisors (see below), whose sum is σ = 1951550496. Its totient is φ = 511632000.

The previous prime is 1154420093. The next prime is 1154420131. The reversal of 1154420102 is 2010244511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1783943 + ... + 1784589.

It is an arithmetic number, because the mean of its divisors is an integer number (40657302).

Almost surely, 2^1154420102 is an apocalyptic number.

1154420102 is a deficient number, since it is larger than the sum of its proper divisors (797130394).

1154420102 is a wasteful number, since it uses less digits than its factorization.

1154420102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1154420102 is about 33976.7582620826. The cubic root of 1154420102 is about 1049.0301254252.

Adding to 1154420102 its reverse (2010244511), we get a palindrome (3164664613).

The spelling of 1154420102 in words is "one billion, one hundred fifty-four million, four hundred twenty thousand, one hundred two".