1011401652 has 12 divisors (see below), whose sum is σ = 2359937216. Its totient is φ = 337133880.

The previous prime is 1011401627. The next prime is 1011401681. The reversal of 1011401652 is 2561041101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42141724 + ... + 42141747.

Almost surely, 2^1011401652 is an apocalyptic number.

1011401652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011401652 is an abundant number, since it is smaller than the sum of its proper divisors (1348535564).

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

1011401652 is a wasteful number, since it uses less digits than its factorization.

1011401652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84283478 (or 84283476 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1011401652 is about 31802.5415965454. The cubic root of 1011401652 is about 1003.7861972847.

Adding to 1011401652 its reverse (2561041101), we get a palindrome (3572442753).

The spelling of 1011401652 in words is "one billion, eleven million, four hundred one thousand, six hundred fifty-two".