1171925142 has 32 divisors (see below), whose sum is σ = 2406792960. Its totient is φ = 380280480.

The previous prime is 1171925101. The next prime is 1171925159. The reversal of 1171925142 is 2415291711.

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, 20392 + ... + 52532.

It is an arithmetic number, because the mean of its divisors is an integer number (75212280).

Almost surely, 2^1171925142 is an apocalyptic number.

1171925142 is an abundant number, since it is smaller than the sum of its proper divisors (1234867818).

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

1171925142 is a wasteful number, since it uses less digits than its factorization.

1171925142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32308.

The product of its digits is 5040, while the sum is 33.

The square root of 1171925142 is about 34233.3922070250. The cubic root of 1171925142 is about 1054.3058683552.

The spelling of 1171925142 in words is "one billion, one hundred seventy-one million, nine hundred twenty-five thousand, one hundred forty-two".