1201342148 has 24 divisors (see below), whose sum is σ = 2174565120. Its totient is φ = 580322880.

The previous prime is 1201342147. The next prime is 1201342157. The reversal of 1201342148 is 8412431021.

It is a super-2 number, since 2×1201342148² = 2886445913122507808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201342147) 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, 18668 + ... + 52451.

It is an arithmetic number, because the mean of its divisors is an integer number (90606880).

Almost surely, 2^1201342148 is an apocalyptic number.

It is an amenable number.

1201342148 is a deficient number, since it is larger than the sum of its proper divisors (973222972).

1201342148 is a wasteful number, since it uses less digits than its factorization.

1201342148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71267 (or 71265 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1201342148 is about 34660.3829753798. The cubic root of 1201342148 is about 1063.0546007583.

Adding to 1201342148 its reverse (8412431021), we get a palindrome (9613773169).

The spelling of 1201342148 in words is "one billion, two hundred one million, three hundred forty-two thousand, one hundred forty-eight".